diff --git a/free-programming-books-it.md b/free-programming-books-it.md
index a11bd438..a9d88a46 100644
--- a/free-programming-books-it.md
+++ b/free-programming-books-it.md
@@ -55,6 +55,7 @@
 
 ### Java
 * [Introduzione a Java](http://www.ateneonline.it/hyperbook/j_book/java2.htm)
+* [Java - Wikibooks](https://it.wikibooks.org/wiki/Java)
 * [Object Oriented && Java 5 (II Edizione) - Claudio De Sio Cesari](http://www.claudiodesio.com/download/oo_&&_java_5.zip)