diff --git a/free-programming-books.md b/free-programming-books.md
index b1b5558afa439..715ac1067ee59 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1848,6 +1848,7 @@ For resources on Angular, Backbone, D3, Dojo, Ember, Express, jQuery, Knockout,
 * [Ruby Koans](http://www.rubykoans.com)
 * [Ruby Learning](http://rubylearning.com)
 * [Ruby Programming](http://www.linuxtopia.org/online_books/programming_books/ruby_tutorial/)
+* [Ruby Tricks](https://github.com/franzejr/ruby-tricks)
 * [Ruby User's Guide](http://www.rubyist.net/~slagell/ruby/)
 * [The Bastards Book of Ruby](http://ruby.bastardsbook.com)
 * [The Unofficial Ruby Usage Guide (at Google)](http://www.caliban.org/ruby/rubyguide.shtml) - Ian Macdonald