Ruby on Rails is a web-rich features, easy to learn, and powerful application framework that makes creating sophisticated, full-featured web applications a snap. Then, because Ruby on Rails framework is supported by the Ruby language, the book moves to cover the basics of Ruby, making the learning curve for Ruby on Rails is easier to navigate. From there, everyone is a fundamental need to develop a powerful web applications in Rails is discussed in depth, from creating an interface to create, retrieve, update and delete records in the database with Rails scaffold generator, to understand the paradigm of Model View Controller (Active Record, Action Controller and Action View) and use web services, AJAX, and Adobe Flex.