使用Ruby on Rails 2.3.5开发应用程序的好教程/参考是什么？

I'm specifically looking for 'Getting Started' or 'Cookbook' that deals with RoR 2.3.5. It's primarily because my webhost supports RoR 2.3.5 and not the latest and greatest - 3.0 Pointers would be appreciated to docs!I'm specifically looking for 'Getting Started'