Quote: 'The Retro Gamer Book of Arcade Classics' collects the magazine's greatest arcade content so you can relive one of gaming’s most significant periods. Now you can claim a free copy, worth £9.99, by voting for your favorite games in the 35th Golden Joystick Awards Presented by Omen with HP.
After voting you get a form to put in your email address, and then you have to do a little email dance to get the ebook.
There are a number of ebooks you can get, and actually it doesn't even check you had one to start with so if you want more than one, just follow the link in the email to get your free ebook to start the dance again.