（Ruby Recipeswas is written for Rails 1.x，this book for Rails 2.0.) Ruby on Rails continues to build up a tremendous head of steam. Fueled by significant benefits and an impressive portfolio of real-world applications already in production, Rails is

（Ruby Recipeswas is written for Rails 1.x，this book for Rails 2.0.) Ruby on Rails continues to build up a tremendous head of steam. Fueled by significant benefits and an impressive portfolio of real-world applications already in production, Rails is