ROR book links

hey everyone i want a nice book to learn ror. i knew the basics in
ror, can anyone help me out to learn ror i need links of book which
will help me.

Thanks in advance

I am currently reading Rails 3 in Action (eBook) .pdf version
You can get a 35% discount using the Green Paper link

Otherwise, I would recommend starting with Ruby on Rails Tutorial

Also, RubyMonk