diff --git a/.github/workflows/book-publish-live.yml b/.github/workflows/book-publish-live.yml
index 8249457b8..c98ed0f1b 100644
--- a/.github/workflows/book-publish-live.yml
+++ b/.github/workflows/book-publish-live.yml
@@ -913,8 +913,13 @@ jobs:
       - name: 📋 Verify Downloaded Artifacts
         run: |
           echo "📦 Verifying downloaded artifacts..."
-          if [ ! -d "html-vol1-temp" ] || [ ! -d "html-vol2-temp" ]; then
-            echo "❌ Required volume HTML artifacts were not downloaded."
+          DEPLOY_TARGET="${{ github.event.inputs.deploy_target }}"
+          if [[ "$DEPLOY_TARGET" == "vol1" || "$DEPLOY_TARGET" == "all" ]] && [ ! -d "html-vol1-temp" ]; then
+            echo "❌ Required Volume I HTML artifact was not downloaded."
+            exit 1
+          fi
+          if [[ "$DEPLOY_TARGET" == "vol2" || "$DEPLOY_TARGET" == "all" ]] && [ ! -d "html-vol2-temp" ]; then
+            echo "❌ Required Volume II HTML artifact was not downloaded."
             exit 1
           fi
 
diff --git a/book/quarto/config/_quarto-epub-vol1.yml b/book/quarto/config/_quarto-epub-vol1.yml
index e4e68f532..cf3204469 100644
--- a/book/quarto/config/_quarto-epub-vol1.yml
+++ b/book/quarto/config/_quarto-epub-vol1.yml
@@ -11,6 +11,7 @@
 project:
   type: book
   output-dir: _build/epub-vol1
+  output-file: Machine-Learning-Systems.epub
   execute-dir: project
   post-render:
     - scripts/clean_svgs.py
diff --git a/book/quarto/config/_quarto-epub-vol2.yml b/book/quarto/config/_quarto-epub-vol2.yml
index 5c74eaa9b..2d731c0a7 100644
--- a/book/quarto/config/_quarto-epub-vol2.yml
+++ b/book/quarto/config/_quarto-epub-vol2.yml
@@ -11,6 +11,7 @@
 project:
   type: book
   output-dir: _build/epub-vol2
+  output-file: Machine-Learning-Systems.epub
   execute-dir: project
   post-render:
     - scripts/clean_svgs.py
diff --git a/book/quarto/config/_quarto-pdf-vol1.yml b/book/quarto/config/_quarto-pdf-vol1.yml
index 98e127c4d..dfc232110 100644
--- a/book/quarto/config/_quarto-pdf-vol1.yml
+++ b/book/quarto/config/_quarto-pdf-vol1.yml
@@ -14,6 +14,7 @@
 
 project:
   output-dir: _build/pdf-vol1
+  output-file: Machine-Learning-Systems.pdf
 
 book:
   favicon: assets/images/icons/favicon.png
diff --git a/book/quarto/config/_quarto-pdf-vol2.yml b/book/quarto/config/_quarto-pdf-vol2.yml
index 77f0739f4..a214d7d34 100644
--- a/book/quarto/config/_quarto-pdf-vol2.yml
+++ b/book/quarto/config/_quarto-pdf-vol2.yml
@@ -10,6 +10,7 @@
 
 project:
   output-dir: _build/pdf-vol2
+  output-file: Machine-Learning-Systems.pdf
 
 book:
   favicon: assets/images/icons/favicon.png