diff --git a/.gitignore b/.gitignore
index f5d629a..5f5a63c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -45,4 +45,7 @@ yarn-error.log*
 *.temp
 # Keep .claude/ clean for hand-on section
 .claude/
-blog-posts/
\ No newline at end of file
+blog-posts/
+
+# EPUB files in root directory
+/*.epub
\ No newline at end of file
diff --git a/claude-howto-guide.epub b/claude-howto-guide.epub
deleted file mode 100644
index 1ac3e42..0000000
Binary files a/claude-howto-guide.epub and /dev/null differ