- http://pragprog.com/book/ruby3/programming-ruby-1-9 - http://pragprog.com/book/rails4/agile-web-development-with-r...
Read them in that order so that you learn Ruby first. After that your'll want to polish your Ruby and Rails idioms with:
- http://www.amazon.com/gp/product/0672328844 - http://www.amazon.com/gp/product/0321601661
Enjoy!