diff --git a/free-programming-books.md b/free-programming-books.md
index 80833a425522257eafc4fd101ddb15dfd1529e10..27c26a5119f6cde683aed195f2c465d3940bcd88 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -466,6 +466,7 @@
 * [Learning JavaScript Design Patterns](http://addyosmani.com/resources/essentialjsdesignpatterns/book/)
 * [O'Reilly Programming JavaScript Applications - Early Release](http://chimera.labs.oreilly.com/books/1234000000262/index.html)
 * [The JavaScript Tutorial](http://javascript.info/)
+* [Developing Backbone.js Applications](http://addyosmani.github.io/backbone-fundamentals/)
 
 ####Node.js