Programming Cocoa with Ruby

by Brian Marick

Game Programming with Python, Lua, and Ruby (Game Developmen...

by Tom Gutschmidt

This book is unusual because it covers game programming in three different scripting languages in three separate section...

Hello Ruby Bk. 2

by Linda Liukas

Ruby programming for medicine and biology

by Jules J. Berman

Programming Ruby 1.9 & 2.0

by Dave Thomas

Ruby cookbook

by Lucas Carlson

Learn Game Programming with Ruby

by Mark Sobkowicz

Head first Ruby

by Jay McGavren

Ruby on Rails Enterprise Application Development

by Elliot Smith, Rob Nichols

Ruby best practices

by Gregory T. Brown

Ruby Pocket Reference

by Michael Fitzgerald

Ruby in a nutshell

by Yukihiro Matsumoto, Eric Jacoboni

Ruby On Rails Bible

by Timothy Fisher

Practical Object Oriented Design In Ruby

by Sandi Metz

Refactoring : Ruby Edition

by Jay Fields, Shane Harvie

Ruby in practice

by Jeremy McAnally

Eloquent Ruby

by Russ Olsen

Understanding Computation

by Tom Stuart

Ruby phrasebook

by Jason Clinton

Ruby

by Larry Ullman