Programming Ruby: Ruby Tuesday - Interview with Programming Ruby authors, The Pragmatic Programmers. Amazon.com. The Ruby Way: What is Ruby? - Brief article explains main aspects, by Hal Fulton. Making Use of Ruby - By Suresh Mahadevan; John Wiley and Sons, 2002, ISBN 047121972X. Hands-on full introduction, how to save much time, many real-world examples, how to move beyond examples to specific tasks, end-of-chapter reviews, exercises. Design Patterns in Ruby - By Russ Olsen; Addison-Wesley Professional, 2007, ISBN 9780321490452. Shows smart ways to solve many problems Ruby developers often find; classic patterns plus newer ones with special Ruby value. The Ruby Programming Language - David Flanagan, Yukihiro Matz Matsumoto, why the lucky stiff; O'Reilly Media, 2008, ISBN 9780596516178. Authoritative guide, covers versions 1.9, 1.8; shows Ruby's lexical structure, primary expressions, conditionals, syntax, classes, data they manipulate. Ruby Cookbook - By Lucas Carlson, Leonard Richardson; O'Reilly, 2006, ISBN 0596523696. From data structures to algorithms to integrating with new technologies; when solving a problem, don't reinvent the wheel: look it up in here. O'Reilly Media. Ruby In A Nutshell - By Yukihiro "Matz" Matsumoto; O'Reilly and Associates, 2001, ISBN 0596002149. By programmer, and Ruby creator; concise broad reference guide assumes reader knows programming. [O'Reilly and Associates]