411 REFERENCE · Wikibooks
Rails 3/What you need to know
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Ruby on Rails is a quite advanced topic and it may be quite difficult even for seasoned web programmers to grasp. To start with Rails you need to know the following
HTML (Hyper Text Markup Language)
CSS (Cascading Style Sheets)
Ruby programming language
It's advised that one is really thorough with Ruby Programming language and has good knowledge of creating web templates and static websites. All these will make you finish your Rails projects with ease.