Title: Programming Rubythe Pragmatic Programmer's Guide, Second EditionAuthor: Dave Thomas, with Chad Fowler and Andy Huntpages: 864isbn: 0-9745140-5-5date: Oct 2004
http://www.pragmaticprogrammer.com/titles/ruby/index.html
Programming ruby (2nd. Ed.)
The definitive reference manual for Ruby programmers. Up-to-date and expanded for Ruby version 1.8. Complete documentation of all built-in classes, modules, and methods. Complete descriptions of all 98 standard libraries. 200 pages of new content in this Edition. New: Learn More About Ruby's Web Tools, Unit Testing, and Programming Philosophy.
