Ruby

The Book of Ruby
Posted in Ruby
The Little Book Of Ruby
Posted in Ruby
Ruby Essentials
Posted in Ruby
The Bastards Book of Ruby
Posted in Ruby
Learn Ruby the Hard Way, 3rd Edition
Posted in Ruby
Ruby Best Practices
Posted in Ruby
Ruby Programming
Posted in Ruby
Just Enough Ruby to Get By
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The Ruby Style Guide
Posted in Ruby
Ruby Hacking Guide
Posted in Ruby
Data Structures and Algorithms with Object-Oriented Design Patterns in Ruby
Posted in Algorithms Data Structures Ruby
Objects on Rails
Posted in Ruby
Clever Algorithms: Nature-Inspired Programming Recipes
Posted in Algorithms Artificial Intelligence Neural Networks Ruby
Learning Ruby
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Ruby Cookbook and Language Reference
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PLEAC-Ruby
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Why’s Poignant Guide to Ruby
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Beginning Ruby: From Novice to Professional, Second Edition
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Mr. Neighborly's Humble Little Ruby Book
Posted in Ruby
Programming Ruby: The Pragmatic Programmer's Guide
Posted in Ruby
Ruby on Rails Tutorial: Learn Web Development with Rails
Posted in Ruby