Learn Ruby with the Edgecase Ruby Koans

• https://github.com/edgecase/ruby_koans/blob/master/download/rubykoans.zip?raw=true
• http://edgecase.com
• http://ruby-lang.org/en/downloads
• http://www.jetbrains.com/ruby
• http://code.google.com/p/macvim
• http://www.jedit.org
• http://homepage.mac.com/zenitani/emacs-e.html
• http://macromates.com
• http://creativecommons.org/licenses/by-nc-sa/3.0/
• http://twitter.com/jimweirich
• http://clarkware.com/cgi/blosxom/2005/03/18
• http://rubyquiz.com/quiz67.html
• http://amazon.com/Little-LISPer-Third-Daniel-Friedman/dp/0023397632
• http://pivotaltracker.com/projects/48111
• http://github.com/edgecase/ruby_koans
• http://ruby-lang.org
• http://tryruby.org
• http://pragprog.com/titles/ruby/programming-ruby
• http://pragmaticstudio.com/ruby
• http://pragprog.com/titles/bmsft/everyday-scripting-with-ruby