Computers

By Dave Thomas, David Heinemeier Hansson, Leon Breedt, Mike Clark, James Duncan Davidson, Justin Gehtland, Andreas Schwarz; The Pragmatic Bookshelf, 2006, ISBN 9780977616633. First definitive guide to developing with Rails; Jolt-award winner.

By Rob Orsini; O'Reilly Media, 2007, ISBN 9780596527310. From basics (install Rails, set up development environment), to latest techniques (developing RESTful web services). Each recipe has tested solution, treatment of how and why it works.

By David A. Black; Manning Publications, 2006, ISBN 1932394699. Shows what one is doing when writing Rails Web applications, and how Ruby methods expand limits of what can be done in Rails.