Entry: Simple, sign up to Goodreads, a great site that allows you to rate and review books and recommends books to you based on your own preferences. To enter the contest, this is the page you will need to take a look at:
Then simply press the Enter to Win button, and fill in some info. Job done.
Giveaway dates: Jun 02 - Jul 31, 2013
3 copies available, 1 person requesting
Countries available: US, CA, and GB more