diff --git a/free-programming-books.md b/free-programming-books.md
index 393428a4602a4431680aef7e3a151603d70ebe1d..d2de262c58c7b45972533b86da4614bafc35e2d1 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1483,7 +1483,8 @@ For resources on Angular, Backbone, D3, Dojo, Ember, Express, jQuery, Knockout,
 
 ### Neo4J
 
-* [Graph Databases](http://info.neotechnology.com/rs/neotechnology/images/GraphDatabases.pdf) (PDF)
+* [Graph Databases](http://info.neotechnology.com/rs/neotechnology/images/GraphDatabases.pdf) (v.1 - PDF)
+* [Graph Databases 2nd edition](http://neo4j.com/books/graph-databases/) (v.2 - just require to send some personnal data)
 
 
 ### .NET Framework