thoughtbot/trail-map — pull request #152 by oismail91 (2014-04-30 17:02:21+00:00)
Title: Add two books to Rails trail

-Agile Web Development with Rails
-Rails 4 in Action

These two books are great because both guide you through the entire process of building an application. Rails 4 in Action does it with TDD. Both are great for getting into Rails.