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Ruby on Rails Tutorial 4.0 version amp; 2nd Ed., Learn Rails by Example - Michael Hartl Softcover.ioDESCRIPTION
The Ruby on Rails 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 Twitter, Hulu, GitHub, and the Yellow Pages. The Ruby on Rails Tutorial book is available for free online and is available for purchase as an ebook PDF, EPUB, and MOBI formats. The companion screencast series includes 15 individual lessons including a new Rails 4.0 supplement totaling more tPARSED CONTENT
The site rails-4-0.railstutorial.org has the following in the site, "STAY UP TO DATE! Joining the email list for this book will allow the author to contact you to let you know about special offers and when updates for the book are available." We noticed that the webpage also stated " Is the author of the Ruby on Rails Tutorial, the leading introduction to web development with Ruby on Rails." It also stated " For his contributions to the Ruby community. He is a graduate of Harvard College. And is an alumnus of the Y Combinator."