The Ruby on Rails 3 Tutorial book and screencast series teach you how to develop and deploy real, industrial-strength web applications with Ruby on Rails, the open-source web framework that powers top websites such as Hulu, GitHub, and the Yellow Pages. The Ruby on Rails 3 Tutorial book is available for free online and is available for purchase as a PDF download (which also includes a free copy of the Ruby on Rails 2.3 Tutorial book). The companion screencast series includes 13 individual lessons totaling more than 15 hours, with one lesson for each chapter of the Ruby on Rails 3 Tutorial book. The best value is the PDF/screencast bundle, which includes more than 500 pages of total content and more than 15 hours of video—click here to buy it now!