Flex and Ruby on Rails are two of the fastest growing, most exciting web development technologies available today. Flex enables the rapid development of rich and engaging user experiences and Ruby on Rails dramatically simplifies the development of database driven web applications. Together, Flex and Rails make a powerful combination that makes it easier than ever before to create sophisticated Rich Internet Applications (RIAs). "Flex on Rails" explains everything you need to know to get started developing RIAs with Flex and Rails. It begins with a basic introduction to Flex and Rails frameworks and then dives into the development of real world applications.