diff --git a/free-programming-books.md b/free-programming-books.md
index 3d7510137..b2e2e9d10 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -909,6 +909,7 @@ Original Source: [List of freely available programming books](http://web.archive
 
 * [CoffeeScript Cookbook](https://coffeescript-cookbook.github.io)
 * [CoffeeScript Ristretto](https://leanpub.com/coffeescript-ristretto/read) - Reginald Braithwaite
+* [Hard Rock CoffeeScript](http://hardrockcoffeescript.org)
 * [Smooth CoffeeScript](http://autotelicum.github.io/Smooth-CoffeeScript/SmoothCoffeeScript.html)
 * [The Little Book on CoffeeScript](http://arcturo.github.io/library/coffeescript/)