* Agile Web Development with Rails 4 http://www.amazon.co.uk/Agile-Development-Rails-Pragmatic-Programmers/dp/1937785564 * The Rails 4 Way http://www.amazon.com/Rails-Addison-Wesley-Professional-Ruby-Series/dp/0321944275 * Jump Start Rails http://www.amazon.co.uk/Jump-Start-Rails-Andy-Hawthorne/dp/0987467425 * Beginning Rails 4 3rd Edition http://www.amazon.co.uk/Beginning-Rails-Edition-Experts-Development/dp/1430260343/ref=pd_sim_sbs_b_4

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