diff --git a/.gitignore b/.gitignore
index 8874991..7c1cf7c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,4 +8,5 @@ Cargo.lock
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
-.idea
\ No newline at end of file
+.idea
+examples/readme/book
\ No newline at end of file