ruby_on_rails_3_tutorial
ruby_on_rails_for_microsoft_developers
ruby_on_rails_tutorial_2nd_ed
ruby_performance_optimization
ruby_pocket_reference_2nd_ed
ruby_pocket_reference
ruby_quick_syntax_reference
ruby_wizardry
scripted_gui_testing_with_ruby
the_book_of_ruby
the_druby_book
the_ruby_programming_language