Ruby Programming Books

• Computers: Programming: Languages: Smalltalk: Books and Articles 

• Amazon.com: Ruby Programming  - Lists books for sale on the topic of the Ruby programming language. Includes descriptions of individual books, reviews and purchase information.
• Learn to Program  - Engaging beginner introduction to programming, via Ruby. Online version has live code samples, running input and output as a constant quality check; in English, Français, Nihongo. Treats one concept at a time.
• Making Use of Ruby  - By Suresh Mahadevan; John Wiley & 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.
• Programming Ruby: The Pragmatic Programmer's Guide  - Contains the full text of the first edition of this book discussing Ruby programming.
• Ruby In A Nutshell  - By Yukihiro "Matz" Matsumoto; O'Reilly & Associates, 2001, ISBN 0596002149. By programmer, and Ruby creator; concise broad reference guide assumes reader knows programming. [O'Reilly & Associates].
• Sams Teach Yourself Ruby in 21 Days  - By Mark Slagell. Book price comparing various online bookstores.