Ruby
Functional fun with Ruby - (99 visits)
http://www.ping.de/~flori/ruby/programs/functional.html
Programming Ruby - The Pragmatic Programmer's Guide (73 visits)
http://www.ruby-doc.org/docs/ProgrammingRuby/
Ruby Eye for the Python Guy - Information on Ruby for Python programmers (122 visits)
http://www.ruby-doc.org/RubyEyeForThePythonGuy.html
Ruby for Perl programmers - by Mikhael Goikhman (109 visits)
http://migo.sixbit.org/papers/Introduction_to_Ruby/
Why's (Poignant) Guide to Ruby - (101 visits)
http://poignantguide.net/ruby/