diff --git a/free-programming-books.md b/free-programming-books.md
index 15224ae3ce5a46f0ab37e29bd831053b0f9f80df..1a85fdf7691f08adad8306f0b7f4724b5dfa07ce 100644
--- a/free-programming-books.md
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@@ -631,6 +631,7 @@
 * [Mr. Neighborly's Humble Little Ruby Book](http://www.humblelittlerubybook.com/)
 * [Programming Ruby](http://www.ruby-doc.org/docs/ProgrammingRuby/)
 * [Why's (Poignant) Guide to Ruby](http://mislav.uniqpath.com/poignant-guide/) ([mirror](http://www.scribd.com/doc/2236084/Whys-Poignant-Guide-to-Ruby))
+* [The Bastards Book of Ruby](http://ruby.bastardsbook.com/)
 
 
 ###Ruby on Rails