With Ruby on Rails you can produce web applications quickly. A great way to learn Rails is with "Agile Web Development with Rails" from Pragmatic Bookshelf. It costs US$43.95 for the paperback version and $27 for the ebook) version.

"Agile Web Development With Rails" is a tutorial and reference that's recommended by the Rails core team. If you're new to Rails, you'll get step-by-step guidance. If you're an experienced developer, the book will give you the comprehensive, insider information. It's been completely revised and is up to date for Rails 4.

With "Agile Web Development With Rails" you still start with a step-by-step walkthrough of building a real application; in-depth chapters look at the built-in Rails features. This edition for Rails 4 now gives new Ruby and Rails users more information on the Ruby language and takes more time to explain key concepts throughout. Best practices on how to apply Rails continue to change, and this edition keeps up.

Examples use Concerns, Russian Doll caching, and Turbolinks, and the book focuses throughout on the right way to use Rails. Additionally, this edition now works on Ruby 2.0, a new release of Ruby with functional and performance enhancements.

For more information about the book, go to http://tinyurl.com/la6gd3v .