diff --git a/free-programming-books-zh.md b/free-programming-books-zh.md
index 5b5eb367..43b3b2d0 100644
--- a/free-programming-books-zh.md
+++ b/free-programming-books-zh.md
@@ -64,6 +64,7 @@
 
 
 ### Javascript
+* [CoffeeScript 编程风格指南](https://github.com/elrrrrrrr/coffeescript-style-guide/blob/master/README-ZH.md)
 * [Javascript Garden](http://bonsaiden.github.io/JavaScript-Garden/zh/)
 * [Javascript 原理](http://typeof.net/s/jsmech/), by Belleve Invis. 
 
diff --git a/free-programming-books.md b/free-programming-books.md
index bb3cc967..507f925b 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1,4 +1,4 @@
-###Index
+###Index
 * [Ada](#ada)
 * [Agda](#agda)
 * [Android](#android)
@@ -1068,6 +1068,8 @@
 * [Understanding ECMAScript 6](https://leanpub.com/understandinges6/read) *(Leanpub, by Nicholas C. Zakas)*
 * [You Don't Know JS](https://github.com/getify/You-Dont-Know-JS)
 * [JavaScript Fundamentals, Plus a Dash Of JQuery - for dinner ladies](http://nicholasjohnson.com/javascript-book)
+* [Oh My JS](https://leanpub.com/ohmyjs/read) *(Leanpub, by Azat Mardanov)*
+
 
 ####Javascript Frameworks
 For resources on Angular.js, Backbone.js, D3.js, Dojo, Ember.js, Express.js, jQuery, Knockout.js, and any other JS toolkit/framework, please refer to [Javascript Frameworks Resources and Tutorials](http://resrc.io/list/18/javascript-frameworks/), or to its source file `javascript-frameworks-resources.md`.
diff --git a/free-programming-interactive-tutorials-en.md b/free-programming-interactive-tutorials-en.md
index 65a032d9..e14a5e8f 100644
--- a/free-programming-interactive-tutorials-en.md
+++ b/free-programming-interactive-tutorials-en.md
@@ -17,6 +17,7 @@
 
 
 ###CoffeeScript
+* [Coffeescript Style Guide](https://github.com/polarmobile/coffeescript-style-guide/blob/master/README.md)
 * [Smooth CoffeeScript, Interactive Edition](http://autotelicum.github.io/Smooth-CoffeeScript/interactive/interactive-coffeescript.html)