Ruby on Rails Oficial Documentation Ruby on Rails API Oficial Guide Rails Guides Books Michael Hartl's Ruby on Rails Tutorial Agile Web Development with Rails 4 [Ruby The Hard Way - Zed Shaw] (http://ruby.learncodethehardway.org/book/) Screencasts RailsCasts - Ryan Bates (US$9/Month) 💰 Rails for Zombies (US$25/Month) 💰 Jeffrey Way's The Intro to Rails Screencast I Wish I Had (A bit outdated). Screencasts RailsCasts - Ryan Bates (US$9/Month) 💰 Tutorial Make a Rails Application