Ruby Book Bundle

6 Ruby eBooks. $199. 

http://rubybookbundle.com

You'll immediately get the following to download: Build a Ruby Gem ebook (pdf, epub, mobi) with source code and screencasts, Minitest Cookbook ebook (pdf, epub, mobi) and source code examples, Practicing Rails ebook (pdf, epub, mobi), Fearless Refactoring ebook (pdf), Ruby DSL Handbook (pdf, epub, mobi) with cheatsheets, sample code and screencasts, Rebuilding Rails ebook (pdf).