Ruby Programming
Ruby is an object-oriented scripting language developed by Yukihiro Matsumoto. Topics covered includes: Installing Ruby, Ruby editors, Notation conventions, Interactive Ruby, Data types, Writing methods, Classes and objects, Exceptions, Syntax - Lexicology, Variables and Constants, Control Structures, Classes, Built-In Functions, Predefined Variables, Predefined Classes, Objects , Array, Class, Comparable, Encoding, Enumerable.
Author(s): Wikipedia .org
NA Pages 
Ruby Programming by Wikibooks.org
This book is currently broken down into several sections and is intended to be read sequentially. Topics covered includes: Notation conventions, Basic Ruby, Ruby Semantic reference, Built in Classes, Standard Library.
Author(s): Wikibooks.org
NA Pages
I Love Ruby Get started with the greatest programming language made for humans
Ruby is an easy to learn programming language. This book describes the fundamental concepts and techniques in greater depth than traditional introductions.
Author(s): Karthikeyan A K
NA Pages
