Ruby Quick Syntax Reference is a condensed code and syntax reference to the Ruby scripting language. It presents the essential Ruby syntax in a well-organized format that can be used as a handy reference.
You won't find any technical jargon, bloated samples, drawn out history lessons, or witty stories in this book. What you will find is a language reference that is concise, to the point and highly accessible.  The book is packed with useful information and is a must-have for any Ruby programmer.
In Ruby Quick Syntax Reference, you will find:

• A concise reference to the Ruby language syntax.
• Short, simple, and focused code examples.
• A well laid out table of contents and a comprehensive index, allowing easy review.