diff --git a/book/index.rst b/book/index.rst
index 1140ab5..6742b12 100755
--- a/book/index.rst
+++ b/book/index.rst
@@ -2,7 +2,7 @@
 =====
 
 .. toctree::
-    :hidden:
+
 
     http_fundamentals
     from_flat_php_to_symfony2