Beginning
Ruby on Rails
E-Commerce
From Novice to Professional
by Christian Hellsten and Jarkko Laine
Flexible Rails
FLEX 3 ON RAILS 2
by PETER ARMSTRONG
ISBN 1-933988-50-9
Security on Rails
by Ben Poweski
David Raphael
ISBN-10: 1-934356-48-4
http://www.desifile.com/files/57078236723/Pragmatic - Security on Rails (December 2009) (ATTiCA).pdf