Publisher: Wikibooks 2011
Ruby is an interpreted, object-oriented scripting language. This book will show how to install and get started with Ruby in your environment. It demonstrates the main features of the language syntax. The text is designed to be self contained.
Home page url
Download or read it online for free here:
by Karthikeyan A K - Mind As Lab
With this unique hands-on learning experience, you'll discover how Ruby takes care of all the details for you, so you can simply have fun and get more done with less code. This book is written for GNU/Linux (Debian distro) users ...
by Minero Aoki
The RHG is a book that explains how the ruby interpreter (the official C implementation of the Ruby language) works internally. To fully understand it, you need a good knowledge of C and Ruby. This book is going to investigate ruby as a whole.
This book is a great collection of ideas, tricks, and skills that could be useful for Hackers. It's a unique extraction reference, summarizes a lot of research and experience. Rubyfu is a book to use not only to read, it's where ruby goes evil.
by why the lucky stiff
This is just a small illustrated online-only Ruby book. It won't crush you. It's light as a feather (because I haven't finished it yet--hehe). And there's a reason this book will stay light: because Ruby is simple to learn.