Rails 3 in Action by Ryan Bigg and Yehuda Katz
Rails 3 in Action is a collaboration between Rails community leaders, Ryan Bigg and Yehuda Katz, that covers Rails 3.1 making it the most up-to-date resource available. But it's much more than just a Rails 3 reference book. You'll learn to do Rails the right way, so you can build stable, scalable, and maintainable apps that will satisfy even the most demanding clients. About the Book Rails 3 is a full stack, open source web framework powered by Ruby and this book is an introduction to it. Whether you're just starting or you have a few cycles under your belt, you'll appreciate the book's guru's-eye-view of idiomatic Rails programming.