diff --git a/free-programming-books.md b/free-programming-books.md index afa3c8ba1..43da6682a 100644 --- a/free-programming-books.md +++ b/free-programming-books.md @@ -1484,7 +1484,8 @@ 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