Here's a really easy to understand e-course that will help you learn Rails the easy way.
Introducing the upgraded way to learn Ruby on Rails in the browser, with no additional configuration needed. Learning Rails for the first time should be fun, and Rails for Zombies allows you to get your feet wet without having to worry about configuration. You'll watch five videos, each followed by exercises where you'll be programming Rails in your browser. Don't worry if you've played Rails for Zombies before — you get to start fresh with new achievements.