--- a/client/app/books/books.html	Thu Jun 11 15:36:42 2015 +0200
+++ b/client/app/books/books.html	Thu Jun 11 15:37:51 2015 +0200
@@ -1,7 +1,7 @@
 
 
 <accordion close-others="false">
-    <accordion-group ng-repeat="book in books | filter:{ id_article: 'null' }" is-open=true>
+    <accordion-group ng-repeat="book in books" is-open=true>
 
         <accordion-heading>