Agreed. I strongly urge the author to change this suggestions because it's a dangerous one. You don't want newcomers learning an older version of Rails and the

Agreed. I strongly urge the author to change this suggestions because it's a dangerous one. You don't want newcomers learning an older version of Rails and then struggling to upgrade. There are a lot of resources to help you out. The API Docs[1], Official Rails Guides[2] are excellent and Railscasts[3] are also awesome. [1] Rails API Docs http://api.rubyonrails.org http://api.rubyonrails.org [2] Rails Guides http://guides.rubyonrails.org http://guides.rubyonrails.org [3] Railscasts http://railscasts.com http://railscasts.com