diff --git a/free-programming-books.md b/free-programming-books.md
index 70cee4183..60c775713 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -978,6 +978,7 @@
 * [The JavaScript Tutorial](http://javascript.info/)
 * [The Problem with Native JavaScript APIs](http://chimera.labs.oreilly.com/books/1234000001655) (PDF)
 * [You Don't Know JS](https://github.com/getify/You-Dont-Know-JS)
+* [Speaking JavaScipt](http://speakingjs.com/es5/)
 
 
 ####Angular.js