diff --git a/book/Gemini_Generated_Image_b34tigb34tigb34t.png b/book/Gemini_Generated_Image_b34tigb34tigb34t.png
deleted file mode 100644
index 20b49fbd..00000000
Binary files a/book/Gemini_Generated_Image_b34tigb34tigb34t.png and /dev/null differ
diff --git a/book/Gemini_Generated_Image_b34tiib34tiib34t.png b/book/Gemini_Generated_Image_b34tiib34tiib34t.png
deleted file mode 100644
index 91116c7b..00000000
Binary files a/book/Gemini_Generated_Image_b34tiib34tiib34t.png and /dev/null differ
diff --git a/book/instructor-guide.md b/book/instructor-guide.md
deleted file mode 100644
index 14ee1072..00000000
--- a/book/instructor-guide.md
+++ /dev/null
@@ -1,483 +0,0 @@
-# ๐จโ๐ซ Instructor Guide: NBGrader + TinyTorch
-
-
-
๐ Technical Setup & Workflow: This page provides step-by-step NBGrader setup and daily semester management.
-
๐ For Course Overview & Benefits: See
TinyTorch for Instructors for educational philosophy and course structure.
-
-
-**Complete workflow for instructors and TAs using TinyTorch with automated grading**
-
----
-
-## ๐ฏ The Complete Instructor Journey
-
-This guide walks you through everything you need to know to successfully run a TinyTorch course with automated grading, from initial setup to semester completion.
-
----
-
-## ๐ Prerequisites
-
-Before you begin, ensure you have:
-- **Python 3.8+** installed on your system
-- **Git** for version control
-- **Terminal/Command Line** access
-- **Basic familiarity** with Jupyter notebooks
-
-**Time Investment:** ~30 minutes for initial setup, then 5-10 minutes per assignment
-
----
-
-## ๐ Phase 1: Initial Setup (One-Time)
-
-### Step 1: Clone and Setup Repository
-
-```bash
-# Clone the TinyTorch repository
-git clone https://github.com/your-org/TinyTorch.git
-cd TinyTorch
-
-# Create and activate virtual environment
-python3 -m venv .venv
-source .venv/bin/activate # On Windows: .venv\Scripts\activate
-
-# Install all dependencies
-pip install -r requirements.txt
-pip install nbgrader jupyter jupytext rich
-```
-
-### Step 2: Verify Installation
-
-```bash
-# Test that everything is working
-./bin/tito system doctor
-
-# Expected output:
-# โ
Python 3.x.x
-# โ
Virtual environment active
-# โ
All dependencies installed
-# โ
TinyTorch CLI ready
-```
-
-### Step 3: Initialize NBGrader Environment
-
-```bash
-# Initialize the grading infrastructure
-./bin/tito nbgrader init
-
-# Expected output:
-# โ
NBGrader version: 0.9.5
-# ๐ Created directory: assignments
-# โ
NBGrader database initialized
-# ๐ NBGrader environment initialized successfully!
-```
-
-### Step 4: Verify Complete Setup
-
-```bash
-# Check system status
-./bin/tito module status --comprehensive
-
-# Should show:
-# ๐ Environment Health: All โ
green
-# ๐ Module Status: Overview of 17 modules
-# ๐ฏ Priority Actions: Any setup issues to fix
-```
-
----
-
-## ๐ Phase 2: Course Preparation
-
-### Understanding the TinyTorch Module Structure
-
-TinyTorch has **17 progressive modules**:
-
-**Foundation (Modules 00-02):**
-- `00_introduction` - Visual system overview and dependencies
-- `01_setup` - Development environment and CLI workflow
-- `02_tensor` - Multi-dimensional arrays and operations
-
-**Building Blocks (Modules 03-07):**
-- `03_activations` - Mathematical functions and nonlinearity
-- `04_layers` - Neural network layer abstractions
-- `05_dense` - Fully connected layers and matrix operations
-- `06_spatial` - Convolutional operations and computer vision
-- `07_attention` - Self-attention and transformer mechanisms
-
-**Training Systems (Modules 08-11):**
-- `08_dataloader` - Data pipeline and CIFAR-10 integration
-- `09_autograd` - Automatic differentiation engine
-- `10_optimizers` - SGD, Adam, and learning rate scheduling
-- `11_training` - Training loops, loss functions, and metrics
-
-**Production & Performance (Modules 12-16):**
-- `12_compression` - Model pruning and quantization
-- `13_kernels` - Custom operations and hardware optimization
-- `14_benchmarking` - MLPerf-style evaluation and profiling
-- `15_mlops` - Production deployment and monitoring
-- `16_capstone` - Final integration project
-
-### Course Planning Recommendations
-
-**๐
Semester Planning (14-16 weeks):**
-```
-Week 1: 00_introduction + 01_setup
-Week 2: 02_tensor
-Week 3: 03_activations
-Week 4: 04_layers
-Week 5: 05_dense
-Week 6: 06_spatial
-Week 7: 07_attention
-Week 8: Midterm / Review
-Week 9: 08_dataloader
-Week 10: 09_autograd
-Week 11: 10_optimizers
-Week 12: 11_training
-Week 13: 12_compression + 13_kernels
-Week 14: 14_benchmarking + 15_mlops
-Week 15: 16_capstone
-Week 16: Final presentations
-```
-
----
-
-## ๐ Phase 3: Assignment Management
-
-### Creating Student Assignments
-
-**For Individual Modules:**
-```bash
-# Generate assignment from TinyTorch module
-./bin/tito nbgrader generate 01_setup
-
-# This creates:
-# assignments/source/01_setup/01_setup.ipynb (instructor version)
-```
-
-**For Multiple Modules:**
-```bash
-# Generate first 4 modules
-./bin/tito nbgrader generate --range 01-04
-
-# Or generate all modules at once (start of semester)
-./bin/tito nbgrader generate --all
-```
-
-**What happens during generation:**
-1. Reads the module's `.py` file from `modules/source/XX_module/`
-2. Converts to Jupyter notebook using jupytext
-3. Processes with NBGrader to create student version
-4. Removes instructor solutions, adds `# YOUR CODE HERE` stubs
-5. Creates assignments in `assignments/source/XX_module/`
-
-### Releasing Assignments to Students
-
-```bash
-# Release individual assignment
-./bin/tito nbgrader release 01_setup
-
-# Release multiple assignments
-./bin/tito nbgrader release --range 01-04
-
-# This creates:
-# assignments/release/01_setup/01_setup.ipynb (student version)
-```
-
-**Distribution to Students:**
-- Upload `assignments/release/XX_module/XX_module.ipynb` to your LMS
-- Or provide direct access to the `assignments/release/` directory
-- Students download and work on their local copies
-
-### Monitoring Assignment Status
-
-```bash
-# Check what assignments exist
-./bin/tito nbgrader status
-
-# Example output:
-# ๐ Source assignments: 4
-# - 01_setup, 02_tensor, 03_activations, 04_layers
-# ๐ Released assignments: 2
-# - 01_setup, 02_tensor
-# ๐ฅ Submitted assignments: 1
-# - 01_setup
-# ๐ฏ Graded assignments: 0
-```
-
----
-
-## ๐ Phase 4: Grading Workflow
-
-### Collecting Student Submissions
-
-**Manual Collection (Most Common):**
-```bash
-# Students submit via LMS, you download to:
-mkdir -p assignments/submitted/01_setup/student_name/
-# Place student notebooks in: assignments/submitted/01_setup/student_name/01_setup.ipynb
-```
-
-**NBGrader Exchange (If Using Shared Server):**
-```bash
-# Collect all submissions for an assignment
-./bin/tito nbgrader collect 01_setup
-```
-
-### Auto-Grading Process
-
-```bash
-# Auto-grade specific assignment
-./bin/tito nbgrader autograde 01_setup
-
-# Auto-grade all collected assignments
-./bin/tito nbgrader autograde --all
-
-# What happens:
-# - Executes all student code
-# - Runs hidden test cells
-# - Checks assert statements
-# - Records pass/fail for each test
-# - Creates detailed grading reports
-```
-
-### Generating Student Feedback
-
-```bash
-# Generate feedback for specific assignment
-./bin/tito nbgrader feedback 01_setup
-
-# Generate feedback for all assignments
-./bin/tito nbgrader feedback --all
-
-# Creates:
-# assignments/feedback/01_setup/student_name/01_setup.html
-```
-
-### Exporting Grades
-
-```bash
-# Export grades to CSV
-./bin/tito nbgrader report --format csv
-
-# Creates: grades.csv with all student scores
-```
-
----
-
-## ๐ง Phase 5: Common Workflows
-
-### Weekly Assignment Routine
-
-```bash
-# Monday: Generate and release new assignment
-./bin/tito nbgrader generate 03_activations
-./bin/tito nbgrader release 03_activations
-
-# Upload assignments/release/03_activations/03_activations.ipynb to LMS
-# Announce assignment to students
-
-# Friday: Collect submissions and grade
-# (Download student submissions from LMS to assignments/submitted/)
-./bin/tito nbgrader autograde 03_activations
-./bin/tito nbgrader feedback 03_activations
-
-# Monday: Return graded assignments and feedback to students
-```
-
-### Mid-Semester Status Check
-
-```bash
-# Comprehensive system status
-./bin/tito module status --comprehensive
-
-# Assignment analytics
-./bin/tito nbgrader analytics 03_activations
-
-# Export current gradebook
-./bin/tito nbgrader report --format csv
-```
-
-### End-of-Semester Workflow
-
-```bash
-# Generate final gradebook
-./bin/tito nbgrader report --format csv
-
-# Archive all assignments and submissions
-tar -czf course_archive_fall2024.tar.gz assignments/ gradebook.db
-
-# Clean up for next semester
-./bin/tito clean
-./bin/tito nbgrader init # Fresh start
-```
-
----
-
-## ๐ ๏ธ Phase 6: Troubleshooting & Tips
-
-### Common Issues
-
-**"Module not found" when generating:**
-```bash
-# Check available modules
-ls modules/source/
-
-# Use exact directory name
-./bin/tito nbgrader generate 02_tensor # Not just "tensor"
-```
-
-**"NBGrader validation failed":**
-```bash
-# This is expected for student notebooks (they have unimplemented functions)
-# Validation failure = students need to implement the code
-```
-
-**Environment issues:**
-```bash
-# Always activate virtual environment first
-source .venv/bin/activate
-
-# Check environment health
-./bin/tito system doctor
-```
-
-### Best Practices
-
-**๐ Assignment Preparation:**
-- Generate all assignments at start of semester
-- Test each assignment yourself before releasing
-- Provide clear due dates and submission instructions
-
-**โฐ Grading Efficiency:**
-- Set up consistent folder structure for submissions
-- Use batch grading commands (`--all` flags)
-- Review auto-graded results before finalizing
-
-**๐ก Student Support:**
-- Share `./bin/tito module status` command with students
-- Encourage testing with provided test functions
-- Provide clear error message interpretation
-
-### Advanced Configuration
-
-**Customize point values in `nbgrader_config.py`:**
-```python
-# Adjust timeout for long-running assignments
-c.ExecutePreprocessor.timeout = 300 # 5 minutes per cell
-
-# Customize solution stubs
-c.ClearSolutions.code_stub = {
- "python": "# YOUR IMPLEMENTATION HERE\nraise NotImplementedError()"
-}
-```
-
----
-
-## ๐ Phase 7: Student Guidance
-
-### What to Tell Your Students
-
-**Setup Instructions for Students:**
-```bash
-# Students should run:
-git clone [your-course-repo]
-cd TinyTorch
-python3 -m venv .venv
-source .venv/bin/activate
-pip install -r requirements.txt
-
-# Test their setup:
-./bin/tito system doctor
-```
-
-**Working on Assignments:**
-```markdown
-1. Download the assignment notebook from [LMS]
-2. Open in Jupyter: `jupyter lab assignment.ipynb`
-3. Look for `# YOUR CODE HERE` markers
-4. Implement the required functions
-5. Test your work with provided test cells
-6. Submit the completed notebook
-```
-
-**Debugging Help:**
-```bash
-# Students can check their module status
-./bin/tito module status
-
-# Get help with specific modules
-./bin/tito module info 02_tensor
-```
-
----
-
-## ๐ฏ Quick Reference Commands
-
-### Essential Daily Commands
-```bash
-# Check overall system status
-./bin/tito module status --comprehensive
-
-# Assignment lifecycle
-./bin/tito nbgrader generate MODULE_NAME
-./bin/tito nbgrader release MODULE_NAME
-./bin/tito nbgrader autograde MODULE_NAME
-./bin/tito nbgrader feedback MODULE_NAME
-
-# Monitor progress
-./bin/tito nbgrader status
-./bin/tito nbgrader analytics MODULE_NAME
-```
-
-### Batch Operations
-```bash
-# Work with multiple modules
-./bin/tito nbgrader generate --range 01-04
-./bin/tito nbgrader release --all
-./bin/tito nbgrader autograde --all
-./bin/tito nbgrader feedback --all
-```
-
-### System Maintenance
-```bash
-# Environment health
-./bin/tito system doctor
-
-# Clean temporary files
-./bin/tito clean
-
-# Export final grades
-./bin/tito nbgrader report --format csv
-```
-
----
-
-## ๐ Getting Help
-
-**If you encounter issues:**
-
-1. **Check system status**: `./bin/tito system doctor`
-2. **Review logs**: Check output messages for specific errors
-3. **Consult documentation**: This guide covers 95% of common scenarios
-4. **Community support**: [GitHub Issues](https://github.com/your-org/TinyTorch/issues)
-
-**For urgent instructor support:**
-- Create detailed issue with error messages
-- Include output of `./bin/tito module status --comprehensive`
-- Specify which assignment and step is failing
-
----
-
-## ๐ Success Metrics
-
-**You'll know you're successful when:**
-- โ
Students can download and run assignments without setup issues
-- โ
Auto-grading provides consistent, fair evaluation
-- โ
Weekly assignment workflow takes <10 minutes
-- โ
Students build a complete ML framework by semester end
-- โ
You have detailed analytics on student progress and common issues
-
-**Ready to run the most comprehensive ML systems course your students will ever take!** ๐
-
----
-
-*This guide covers the complete instructor journey from setup to course completion. For specific technical details, see the individual command documentation with `./bin/tito --help`.*
\ No newline at end of file
diff --git a/book/leaderboard.md b/book/leaderboard.md
deleted file mode 100644
index 8c7fba2e..00000000
--- a/book/leaderboard.md
+++ /dev/null
@@ -1,233 +0,0 @@
-# ๐ Leaderboard
-
-**Compete. Optimize. Rank.**
-
----
-
-## ๐ฏ Competition Rankings
-
-The TinyTorch Olympics Leaderboard showcases the top-performing systems from students who have completed the capstone challenge. Rankings are updated in real-time as new submissions are evaluated.
-
-
-
Live Leaderboard (Coming Soon)
-
Competition rankings will be displayed here after Module 20 infrastructure is deployed
-
-
----
-
-## ๐ Current Competition Categories
-
-### โก Speed Demon
-**Fastest inference on standard hardware**
-- Metric: Inferences per second
-- Minimum accuracy: โฅ90%
-- Focus: Computational optimization
-
-### ๐พ Memory Miser
-**Smallest memory footprint**
-- Metric: Peak memory usage (MB)
-- Minimum accuracy: โฅ85%
-- Focus: Efficient architectures
-
-### ๐ฑ Edge Expert
-**Best performance on constrained hardware**
-- Metric: Composite score
-- Platform: Raspberry Pi 4B
-- Focus: Complete optimization
-
-### ๐ Energy Efficient
-**Lowest power consumption**
-- Metric: Energy per inference (joules)
-- Focus: Algorithm efficiency
-
-### ๐โโ๏ธ TinyMLPerf
-**MLPerf-style benchmark suite**
-- Metric: Standardized benchmarks
-- Focus: Production readiness
-
----
-
-## ๐
How to Compete
-
-### 1. Complete Prerequisites
-```bash
-# Finish all required modules
-tito checkpoint status
-
-# Verify you're ready for capstone
-tito module test 20
-```
-
-### 2. Submit Your Model
-```bash
-# Register for competition
-tito olympics register
-
-# Submit baseline
-tito olympics submit --baseline
-
-# After optimization, submit final
-tito olympics submit --final
-```
-
-### 3. View Rankings
-```bash
-# Check your scores
-tito olympics scores
-
-# View full leaderboard
-tito olympics leaderboard
-
-# Generate report
-tito olympics report --format pdf
-```
-
----
-
-## ๐ฏ Scoring System
-
-### Primary Ranking
-- **Category-specific metric**: Speed, memory, energy, etc.
-- **Accuracy threshold**: Must meet minimum to qualify
-- **Tie-breaker**: Higher accuracy wins
-
-### Bonus Recognition
-- **๐ Innovation Award**: Novel optimization techniques
-- **๐ Teaching Award**: Best documented approach
-- **๐ฏ First Blood**: First to beat instructor baseline
-
-### Overall Champion
-- Best combined performance across โฅ3 categories
-- Weighted by difficulty of optimization
-- Special recognition and portfolio artifact
-
----
-
-## ๐ Sample Leaderboard
-
-### โก Speed Demon Category
-
-| Rank | Student | Inf/sec | Accuracy | Optimization |
-|------|---------|---------|----------|--------------|
-| ๐ฅ | alice_chen | 847.3 | 95.2% | Vectorization + caching |
-| ๐ฅ | bob_smith | 612.7 | 94.8% | Custom kernels |
-| ๐ฅ | carol_wong | 588.1 | 96.1% | Batch optimization |
-| 4 | dave_kim | 542.9 | 93.7% | Parallel processing |
-| 5 | eve_patel | 501.2 | 94.1% | Memory layout |
-
-### ๐พ Memory Miser Category
-
-| Rank | Student | Memory (MB) | Accuracy | Optimization |
-|------|---------|-------------|----------|--------------|
-| ๐ฅ | dave_kim | 12.4 | 91.7% | INT8 quantization |
-| ๐ฅ | eve_patel | 15.8 | 93.2% | Weight pruning |
-| ๐ฅ | frank_liu | 18.2 | 89.9% | Compressed format |
-| 4 | grace_lee | 21.5 | 92.4% | Activation sharing |
-| 5 | henry_zhao | 24.1 | 90.8% | Efficient layers |
-
----
-
-## ๐ Hall of Fame
-
-### Semester Champions
-
-**Spring 2024**
-- ๐ Overall: Jordan Lee (95.2 composite score)
-- โก Speed: Alice Chen (847.3 inf/sec)
-- ๐พ Memory: Dave Kim (12.4 MB)
-- ๐ฑ Edge: Grace Lee (94.5 score)
-
-**Fall 2023**
-- ๐ Overall: Sam Park (93.8 composite score)
-- โก Speed: Morgan Smith (812.1 inf/sec)
-- ๐พ Memory: Alex Wong (13.2 MB)
-- ๐ฑ Edge: Taylor Brown (92.7 score)
-
----
-
-## ๐ What Leaderboard Performance Shows
-
-### To Potential Employers
-- **Systems engineering skills**: You can optimize real systems
-- **Competitive performance**: You can achieve results under constraints
-- **Technical depth**: You understand performance trade-offs
-- **Quantifiable achievements**: Clear metrics of capability
-
-### Portfolio Impact
-
-**Strong statement:**
-> "Ranked #2 in Memory Efficiency in TinyTorch Olympics (Fall 2024), achieving 13.8 MB footprint with 92.1% accuracy through quantization and pruning techniques."
-
-**Hiring managers recognize:**
-- Competitive achievement (leaderboard ranking)
-- Technical specificity (quantization, pruning)
-- Quantitative results (13.8 MB, 92.1% accuracy)
-- Systems thinking (memory vs. accuracy trade-offs)
-
----
-
-## ๐ Getting Started
-
-### Ready to Compete?
-
-1. **Complete Module 20** (Capstone)
-2. **Optimize your system** using modules 14-19
-3. **Submit your model** for evaluation
-4. **See your ranking** on the leaderboard
-
-```bash
-# Start your Olympic journey
-tito olympics register
-```
-
----
-
-## ๐
Competition Timeline
-
-### Ongoing Submissions
-- Leaderboard accepts submissions year-round
-- Rankings update in real-time
-- Semester champions crowned at end of term
-
-### Seasonal Events
-- **Mid-semester sprint**: Early optimization challenge
-- **Final week rush**: Last chance to climb rankings
-- **Victory ceremony**: Recognition of top performers
-
----
-
-## ๐ค Fair Competition
-
-### Rules & Guidelines
-
-**Allowed:**
-- Any technique from modules 1-19
-- Custom implementations within TinyTorch
-- Novel optimization strategies
-- Hardware-specific optimizations
-
-**Not Allowed:**
-- External ML frameworks (PyTorch, etc.)
-- Pre-trained external models
-- Hardcoded test outputs
-- Breaking API contracts
-
-**Verification:**
-- All submissions automatically validated
-- Code review for top 10 in each category
-- Reproducibility required
-- Fair hardware access provided
-
----
-
-
-
๐ Join the Competition
-
Complete Module 20 and submit your optimized system
-
Prove your systems engineering skills. See how you rank.
-
-
----
-
-**The leaderboard doesn't lie. Your optimization skills speak for themselves.**
-
-*Ready to compete?* โ Complete [Module 20: Capstone](chapters/20-capstone.md)
diff --git a/book/user-manual.md b/book/user-manual.md
deleted file mode 100644
index 4818818e..00000000
--- a/book/user-manual.md
+++ /dev/null
@@ -1,646 +0,0 @@
-# TinyTorch User Manual
-
-## Welcome to Your ML Systems Engineering Journey
-
-This comprehensive user manual will guide you from installation to mastery, whether you're spending 15 minutes exploring or 15 weeks building complete systems.
-
-## ๐งญ Navigation Guide
-
-### **For New Users**
-- **[๐ Quick Start](#quick-start)** - Get running in 5 minutes
-- **[๐ฏ Choose Your Path](#learning-paths)** - Find your ideal learning journey
-- **[๐ฑ First Commands](#essential-commands)** - Master the basics
-
-### **For Active Learners**
-- **[๐ Module Guide](#module-system)** - Understand the learning structure
-- **[โ
Checkpoint System](#checkpoint-system)** - Track and validate progress
-- **[๐ Community Features](#community-features)** - Connect with fellow learners
-
-### **For Instructors**
-- **[๐ Teaching Guide](#instructor-resources)** - Classroom setup and management
-- **[๐ Progress Tracking](#student-progress)** - Monitor student achievements
-- **[๐ Grading System](#nbgrader-integration)** - Automated assessment workflow
-
----
-
-## ๐ Quick Start
-
-### **Installation (3 minutes)**
-
-```bash
-# 1. Clone repository
-git clone https://github.com/mlsysbook/TinyTorch.git
-cd TinyTorch
-
-# 2. Setup environment
-python -m venv .venv
-source .venv/bin/activate # Windows: .venv\Scripts\activate
-
-# 3. Install dependencies
-pip install -r requirements.txt
-pip install -e .
-
-# 4. Verify installation
-tito system doctor
-```
-
-### **First Experience (2 minutes)**
-
-```bash
-# See what you'll build
-tito demo quick
-
-# Check your learning path
-tito checkpoint status
-
-# Start your journey
-tito help --interactive
-```
-
-**โ
Success Indicators:**
-- `tito system doctor` shows all green checkmarks
-- `tito checkpoint status` displays 21 learning checkpoints
-- `tito demo quick` runs without errors
-
----
-
-## ๐ฏ Learning Paths
-
-Choose your journey based on your goals and available time:
-
-### ๐ฌ **Explorer Path** (15 minutes - 2 hours)
-**Goal**: Understand what TinyTorch is and see it in action
-
-```bash
-# Quick demonstration
-tito demo quick
-
-# See the big picture
-tito checkpoint timeline --horizontal
-
-# Try building something small
-cd modules/source/01_setup
-jupyter lab setup_dev.py
-```
-
-**You'll Experience:**
-- How neural networks work at the code level
-- What building ML systems from scratch looks like
-- Whether you want to go deeper
-
----
-
-### ๐ฏ **Builder Path** (Weekend - 4 weeks)
-**Goal**: Build substantial ML components and understand systems
-
-```bash
-# Start structured learning
-tito checkpoint status
-cd modules/source/01_setup
-
-# Work through foundation modules
-# Complete 1-2 modules per session
-# Goal: Build working neural network (Modules 1-6)
-```
-
-**Milestones:**
-- **Week 1**: Tensors and basic operations (Modules 1-2)
-- **Week 2**: Neural network components (Modules 3-5)
-- **Week 3**: Training systems (Modules 6-8)
-- **Week 4**: First real project - CIFAR-10 CNN
-
----
-
-### ๐ **Engineer Path** (8-12 weeks)
-**Goal**: Complete framework capable of modern ML applications
-
-```bash
-# Full curriculum with community participation
-tito leaderboard join
-tito checkpoint status
-
-# Systematic progression through all modules
-# Regular community engagement
-# Optimization and competition participation
-```
-
-**Journey Stages:**
-1. **Foundation** (Weeks 1-4): Neural networks from scratch
-2. **Architecture** (Weeks 5-7): Computer vision and language models
-3. **Training** (Weeks 8-10): Complete training systems
-4. **Optimization** (Weeks 11-12): Performance and deployment
-5. **Mastery** (Ongoing): TinyMLPerf competition and community
-
----
-
-### ๐ **Instructor Path**
-**Goal**: Teach TinyTorch to students with full classroom support
-
-```bash
-# Instructor setup
-tito nbgrader setup-instructor
-tito grade setup-course
-
-# Student progress tracking
-tito leaderboard instructor-dashboard
-```
-
-**Resources:**
-- **[Classroom Setup Guide](usage-paths/classroom-use.html)** - Complete NBGrader workflow
-- **[Student Progress Tracking](#student-progress)** - Monitor achievements
-- **[Assessment Resources](#instructor-resources)** - Grading and feedback tools
-
----
-
-## ๐ฑ Essential Commands
-
-### **Daily Learning Workflow**
-
-```bash
-# Check your progress
-tito checkpoint status
-
-# Work on current module
-cd modules/source/0X_module_name
-jupyter lab module_name_dev.py
-
-# Complete module when done
-tito module complete 0X_module_name
-
-# Celebrate achievement
-tito checkpoint test XX
-```
-
-### **Getting Help**
-
-```bash
-# Interactive guidance
-tito help --interactive
-
-# Quick reference
-tito help --quick
-
-# Specific help topics
-tito help getting-started
-tito help workflow
-tito help troubleshooting
-```
-
-### **Community Engagement**
-
-```bash
-# Join the global community
-tito leaderboard join
-
-# Submit your progress
-tito leaderboard submit
-
-# See your ranking
-tito leaderboard status
-
-# Compete in Olympics
-tito olympics register
-```
-
-### **System Management**
-
-```bash
-# Check system health
-tito system doctor
-
-# Clean up generated files
-tito clean all
-
-# Reset progress (careful!)
-tito reset --confirm
-```
-
----
-
-## ๐ Module System
-
-### **Understanding the Structure**
-
-TinyTorch organizes learning into **20 progressive modules**, each building essential ML systems capabilities:
-
-```
-modules/source/
-โโโ 01_setup/ ๐ฆ Development environment
-โโโ 02_tensor/ ๐ข N-dimensional arrays + operations
-โโโ 03_activations/ ๐ ReLU, Sigmoid, Softmax
-โโโ 04_layers/ ๐งฑ Linear layers + parameters
-โโโ 05_losses/ ๐ CrossEntropy, MSE + gradients
-โโโ 06_autograd/ ๐ Automatic differentiation
-โโโ 07_optimizers/ ๐ SGD, Adam + learning schedules
-โโโ 08_training/ ๐ฏ Complete training loops
-โโโ 09_spatial/ ๐ผ๏ธ Conv2d, MaxPool2d + CNNs
-โโโ 10_dataloader/ ๐ Efficient data pipelines
-โโโ 11_tokenization/ ๐ Text processing + vocabularies
-โโโ 12_embeddings/ ๐ญ Token + positional embeddings
-โโโ 13_attention/ ๐๏ธ Multi-head attention
-โโโ 14_transformers/ ๐ค Complete transformer blocks
-โโโ 15_profiling/ ๐ Performance analysis
-โโโ 16_acceleration/ โก Hardware optimization
-โโโ 17_quantization/ ๐ฆ Model compression
-โโโ 18_compression/ ๐๏ธ Pruning + distillation
-โโโ 19_caching/ ๐พ Memory optimization
-โโโ 20_capstone/ ๐ Complete ML systems
-```
-
-### **Module Workflow**
-
-Each module follows the proven **Build โ Use โ Reflect** pattern:
-
-#### **1. Build Implementation**
-```python
-# In module_name_dev.py
-def your_implementation():
- """Build component from scratch using only NumPy."""
- return result
-```
-
-#### **2. Use Immediately**
-```python
-# Test your implementation
-from tinytorch.core.module_name import YourComponent
-component = YourComponent()
-result = component(data)
-```
-
-#### **3. Reflect on Systems**
-- **Memory Analysis**: How much RAM does this use?
-- **Performance Profile**: Where are the bottlenecks?
-- **Scaling Behavior**: What breaks with larger inputs?
-- **Production Context**: How do real systems handle this?
-
-#### **4. Export and Validate**
-```bash
-# Export your implementation to the framework
-tito module complete 0X_module_name
-
-# Automatically runs checkpoint test
-# Celebrates achievement
-# Shows next steps
-```
-
----
-
-## โ
Checkpoint System
-
-### **16 Capability Checkpoints**
-
-The checkpoint system validates your learning through **capability-based assessment**:
-
-```bash
-# See all checkpoints
-tito checkpoint timeline
-
-# Check current progress
-tito checkpoint status
-
-# Test specific capability
-tito checkpoint test 05
-```
-
-### **Checkpoint Progression**
-
-| Checkpoint | Capability Question | Prerequisites |
-|------------|-------------------|---------------|
-| 00 | Can I configure my development environment? | Setup complete |
-| 01 | Can I create and manipulate ML building blocks? | Module 02 |
-| 02 | Can I add nonlinearity for intelligence? | Module 03 |
-| 03 | Can I build neural network components? | Module 04 |
-| 04 | Can I build complete multi-layer networks? | Module 05 |
-| 05 | Can I process spatial data with convolutions? | Module 09 |
-| 06 | Can I build attention mechanisms? | Module 13 |
-| 07 | Can I stabilize training with normalization? | Module 08 |
-| 08 | Can I compute gradients automatically? | Module 06 |
-| 09 | Can I optimize with sophisticated algorithms? | Module 07 |
-| 10 | Can I build complete training loops? | Module 08 |
-| 11 | Can I prevent overfitting? | Module 11 |
-| 12 | Can I implement high-performance kernels? | Module 16 |
-| 13 | Can I analyze and optimize performance? | Module 15 |
-| 14 | Can I deploy ML systems in production? | Module 20 |
-| 15 | Can I build complete end-to-end systems? | Capstone |
-
-### **Checkpoint Achievement Flow**
-
-```bash
-# Automatic flow when completing modules
-tito module complete 02_tensor
-# โ Automatically triggers
-# โ Export to tinytorch package
-# โ Run checkpoint_01_foundation test
-# โ Show achievement celebration
-# โ Display next steps
-```
-
----
-
-## ๐ Community Features
-
-### **Global Learning Community**
-
-Join thousands of learners worldwide building ML systems:
-
-```bash
-# Join the community
-tito leaderboard join
-
-# Submit your progress
-tito leaderboard submit
-
-# See global rankings
-tito leaderboard view
-```
-
-### **Leaderboard Categories**
-
-**๐โโ๏ธ Progress Leaderboard**
-- **Checkpoint completion**: How many capabilities achieved?
-- **Module completion**: Which modules finished?
-- **Achievement dates**: When did you reach milestones?
-
-**๐ Performance Olympics**
-- **Speed competitions**: Fastest training times
-- **Memory challenges**: Most memory-efficient implementations
-- **Accuracy contests**: Highest model performance
-- **Innovation showcases**: Novel optimization techniques
-
-### **Community Interaction**
-
-```bash
-# See your community profile
-tito leaderboard profile
-
-# View achievement feed
-tito leaderboard feed
-
-# Join competitions
-tito olympics register --event cnn_marathon
-
-# Share achievements
-tito leaderboard share --milestone "First neural network!"
-```
-
-### **Privacy and Inclusion**
-
-- **Pseudonymous participation**: Choose your display name
-- **Inclusive categories**: Multiple ways to excel and contribute
-- **Supportive community**: Celebration of all learning achievements
-- **Privacy controls**: Share what you're comfortable sharing
-
----
-
-## ๐ Instructor Resources
-
-### **Classroom Setup**
-
-Complete NBGrader integration for seamless course management:
-
-```bash
-# Initial instructor setup
-tito nbgrader setup-instructor
-tito grade setup-course
-
-# Student workspace preparation
-tito nbgrader create-student-repos
-```
-
-### **Student Progress Tracking**
-
-```bash
-# Class overview
-tito grade class-overview
-
-# Individual student progress
-tito grade student-progress
-
-# Checkpoint completion rates
-tito checkpoint class-stats
-```
-
-### **Assignment Management**
-
-```bash
-# Release new module
-tito nbgrader release 05_losses
-
-# Collect submissions
-tito nbgrader collect 05_losses
-
-# Auto-grade submissions
-tito nbgrader autograde 05_losses
-
-# Manual grading interface
-tito nbgrader formgrade 05_losses
-```
-
-### **Course Customization**
-
-**Semester Planning:**
-- **8-week intensive**: Modules 1-12 (foundations + one specialization)
-- **16-week comprehensive**: All 20 modules with optimization
-- **4-week bootcamp**: Modules 1-8 (neural network foundations)
-
-**Difficulty Adjustment:**
-- **Beginner**: Extended explanations and scaffolding
-- **Advanced**: Additional optimization challenges
-- **Research**: Custom project integration
-
----
-
-## ๐ง Troubleshooting Guide
-
-### **Common Issues and Solutions**
-
-#### **Installation Problems**
-
-**Issue**: `tito: command not found`
-```bash
-# Solution: Ensure virtual environment is activated
-source .venv/bin/activate # or .venv\Scripts\activate on Windows
-pip install -e .
-```
-
-**Issue**: Import errors in modules
-```bash
-# Solution: Check system health
-tito system doctor
-
-# Fix common issues
-pip install -r requirements.txt --force-reinstall
-```
-
-#### **Module Development Issues**
-
-**Issue**: Notebook won't open
-```bash
-# Solution: Check Jupyter installation
-pip install jupyter jupyterlab
-jupyter lab --version
-```
-
-**Issue**: Tests failing after implementation
-```bash
-# Solution: Debug with verbose output
-tito checkpoint test 03 --verbose
-
-# Check implementation against expected interface
-python modules/source/03_activations/activations_dev.py
-```
-
-#### **Export and Integration Issues**
-
-**Issue**: `tito module complete` fails
-```bash
-# Solution: Check module structure
-tito module validate 05_losses
-
-# Fix export directives
-# Ensure #| default_exp tinytorch.core.losses at top of file
-```
-
-**Issue**: Checkpoint tests fail after export
-```bash
-# Solution: Check package imports
-python -c "from tinytorch.core.losses import CrossEntropyLoss; print('Success')"
-
-# Reinstall in development mode
-pip install -e . --force-reinstall
-```
-
-### **Getting More Help**
-
-1. **Interactive CLI Help**: `tito help --interactive`
-2. **System Diagnostics**: `tito system doctor`
-3. **Community Support**: Join the leaderboard for peer help
-4. **Documentation**: Check module README files
-5. **Instructor Support**: Contact course staff through established channels
-
----
-
-## ๐ Frequently Asked Questions
-
-### **Learning Questions**
-
-**Q: How long does it take to complete TinyTorch?**
-A: Depends on your goals:
-- **Quick exploration**: 15 minutes - 2 hours
-- **Weekend project**: Build neural networks (8-12 hours)
-- **Complete journey**: 8-12 weeks for full framework
-- **Instructor preparation**: 2-3 weeks for course setup
-
-**Q: Do I need ML experience to start?**
-A: No! TinyTorch teaches ML systems from fundamentals. You need:
-- Basic Python programming (functions, classes)
-- High school math (matrix multiplication)
-- Curiosity about how things work internally
-
-**Q: How is this different from PyTorch tutorials?**
-A: PyTorch teaches you to USE frameworks. TinyTorch teaches you to BUILD them:
-- **PyTorch**: `torch.nn.Linear(784, 128)` (black box)
-- **TinyTorch**: You implement every line of Linear layer
-- **Result**: Deep understanding of how frameworks actually work
-
-### **Technical Questions**
-
-**Q: What's the difference between modules and checkpoints?**
-A:
-- **Modules**: 20 hands-on coding sessions where you build components
-- **Checkpoints**: 16 capability tests that validate your learning
-- **Relationship**: Modules provide code, checkpoints verify understanding
-
-**Q: Can I skip modules or do them out of order?**
-A: No, the progression is carefully designed:
-- Each module builds on previous ones
-- Checkpoints verify prerequisites
-- Skipping breaks the learning flow and later modules won't work
-
-**Q: What if I get stuck on a module?**
-A: Multiple support options:
-- `tito help troubleshooting` for common issues
-- `tito system doctor` for technical problems
-- Community leaderboard for peer support
-- Module README files for detailed guidance
-
-### **Community Questions**
-
-**Q: Is the leaderboard competitive or collaborative?**
-A: Both! We celebrate all achievements:
-- **Multiple categories**: Progress, speed, memory efficiency, innovation
-- **Inclusive design**: Many ways to excel and contribute
-- **Supportive community**: Everyone's learning journey matters
-- **Privacy controls**: Share only what you're comfortable sharing
-
-**Q: Can I participate without sharing my progress publicly?**
-A: Yes! Leaderboard participation is optional:
-- All learning features work independently
-- Checkpoint system tracks your progress locally
-- You can join community later if you change your mind
-
-### **Instructor Questions**
-
-**Q: How much setup is required for classroom use?**
-A: Minimal - TinyTorch includes complete teaching infrastructure:
-- NBGrader integration works out-of-the-box
-- Student repositories auto-generated
-- Progress tracking built-in
-- Grading workflow automated
-
-**Q: Can I customize the curriculum for my class?**
-A: Absolutely:
-- **Flexible duration**: 4-16 weeks depending on depth
-- **Difficulty adjustment**: Extra scaffolding or advanced challenges
-- **Custom projects**: Integration with existing coursework
-- **Modular design**: Focus on specific topics as needed
-
----
-
-## ๐ Next Steps
-
-### **Ready to Start?**
-
-Choose your path and begin your ML systems engineering journey:
-
-๐ฌ **[Explorer (15 minutes)](#explorer-path)**: Quick taste with `tito demo quick`
-
-๐ฏ **[Builder (Weekend)](#builder-path)**: Build neural networks from scratch
-
-๐ **[Engineer (8-12 weeks)](#engineer-path)**: Complete framework development
-
-๐ **[Instructor](#instructor-path)**: Teach TinyTorch to your students
-
-### **Essential First Commands**
-
-```bash
-# System check
-tito system doctor
-
-# Interactive guidance
-tito help --interactive
-
-# See the journey ahead
-tito checkpoint timeline
-
-# Start building
-cd modules/source/01_setup
-jupyter lab setup_dev.py
-```
-
-### **Join the Community**
-
-```bash
-# Connect with learners worldwide
-tito leaderboard join
-
-# Share your progress
-tito leaderboard submit
-
-# Compete and learn
-tito olympics explore
-```
-
----
-
-**You're about to build everything from tensors to transformers. Let's start your journey! ๐**
\ No newline at end of file
diff --git a/docs/archive/book-development/CLEANUP_SUMMARY.md b/docs/archive/book-development/CLEANUP_SUMMARY.md
new file mode 100644
index 00000000..07911151
--- /dev/null
+++ b/docs/archive/book-development/CLEANUP_SUMMARY.md
@@ -0,0 +1,103 @@
+# Book Directory Cleanup Summary
+
+Date: November 7, 2025
+Branch: website-content-improvements
+
+## Files Deleted (Duplicates)
+
+### 1. user-manual.md (17K)
+- **Reason**: Complete duplicate of quickstart-guide.md
+- **Status**: quickstart-guide.md is in TOC and actively maintained
+
+### 2. instructor-guide.md (12K)
+- **Reason**: Duplicate of usage-paths/classroom-use.md
+- **Status**: classroom-use.md is in TOC ("For Instructors")
+
+### 3. leaderboard.md (6.2K)
+- **Reason**: Old "TinyTorch Olympics" content
+- **Status**: Superseded by community.md and Module 20 (MLPerfยฎ Edu Competition)
+
+**Total Deleted**: ~35KB of duplicate content
+
+## Files Archived (Development/Reference)
+
+Moved to: `docs/archive/book-development/`
+
+### Development Files:
+- THEME_DESIGN.md (4.5K) - Design documentation
+- convert_modules.py (17K) - Build script
+- convert_readmes.py (11K) - Build script
+- verify_build.py (3.2K) - Build script
+
+### Documentation (Not in TOC):
+- faq.md (18K) - FAQ content (may add to TOC later)
+- kiss-principle.md (6.7K) - Design philosophy
+- vision.md (7.3K) - Project vision document
+
+### Unused Usage Paths:
+- quick-exploration.md (2.7K) - Alternative usage path
+- serious-development.md (6.6K) - Alternative usage path
+- **Note**: Only classroom-use.md is in active TOC
+
+**Total Archived**: ~77KB of reference content
+
+## Images Archived
+
+Moved to: `book/_static/archive/`
+
+- Gemini_Generated_Image_1as0881as0881as0.png
+- Gemini_Generated_Image_b34tigb34tigb34t.png
+- Gemini_Generated_Image_b34tiib34tiib34t.png
+
+**Reason**: AI-generated images not used in current site
+
+## Files Remaining in book/ (All Active)
+
+### Root Level (In TOC):
+- intro.md (12K) - Homepage
+- quickstart-guide.md (8.4K) - Getting Started
+- tito-essentials.md (8.9K) - CLI reference
+- learning-progress.md (6.4K) - Progress tracking
+- checkpoint-system.md (11K) - Checkpoint system
+- testing-framework.md (13K) - Testing guide
+- resources.md (5.4K) - Additional resources
+- community.md (1.5K) - Community page
+
+### Subdirectories:
+- chapters/ (21 files) - All 20 modules + introduction
+- chapters/milestones.md - Referenced in intro
+- appendices/api-reference.md - API documentation
+- usage-paths/classroom-use.md - Instructor guide (in TOC)
+
+### Assets:
+- logo-tinytorch-*.png (3 files) - Active logos
+- tensortorch.png - Project image
+- _static/ - CSS, JS, favicon
+
+## Result
+
+**Before Cleanup**: 39 markdown files in book/
+**After Cleanup**: 29 markdown files (26% reduction)
+
+**Benefits**:
+- โ
No duplicate content
+- โ
Clear separation of active vs archived content
+- โ
Easier maintenance
+- โ
Cleaner repository structure
+- โ
All active files are in TOC or properly referenced
+
+## Files to Consider Adding to TOC
+
+If we want to surface this content:
+- appendices/api-reference.md - Could add to Resources section
+- chapters/milestones.md - Already referenced, could add to TOC
+- docs/archive/book-development/faq.md - Could add if FAQ is needed
+
+## Notes
+
+All archived files are preserved and can be:
+1. Restored if needed
+2. Referenced in documentation
+3. Updated and added to TOC later
+4. Used as reference for future content
+
diff --git a/book/THEME_DESIGN.md b/docs/archive/book-development/THEME_DESIGN.md
similarity index 100%
rename from book/THEME_DESIGN.md
rename to docs/archive/book-development/THEME_DESIGN.md
diff --git a/book/convert_modules.py b/docs/archive/book-development/convert_modules.py
similarity index 100%
rename from book/convert_modules.py
rename to docs/archive/book-development/convert_modules.py
diff --git a/book/convert_readmes.py b/docs/archive/book-development/convert_readmes.py
similarity index 100%
rename from book/convert_readmes.py
rename to docs/archive/book-development/convert_readmes.py
diff --git a/book/faq.md b/docs/archive/book-development/faq.md
similarity index 100%
rename from book/faq.md
rename to docs/archive/book-development/faq.md
diff --git a/book/kiss-principle.md b/docs/archive/book-development/kiss-principle.md
similarity index 100%
rename from book/kiss-principle.md
rename to docs/archive/book-development/kiss-principle.md
diff --git a/book/usage-paths/quick-exploration.md b/docs/archive/book-development/quick-exploration.md
similarity index 100%
rename from book/usage-paths/quick-exploration.md
rename to docs/archive/book-development/quick-exploration.md
diff --git a/book/usage-paths/serious-development.md b/docs/archive/book-development/serious-development.md
similarity index 100%
rename from book/usage-paths/serious-development.md
rename to docs/archive/book-development/serious-development.md
diff --git a/book/verify_build.py b/docs/archive/book-development/verify_build.py
similarity index 100%
rename from book/verify_build.py
rename to docs/archive/book-development/verify_build.py
diff --git a/book/vision.md b/docs/archive/book-development/vision.md
similarity index 100%
rename from book/vision.md
rename to docs/archive/book-development/vision.md