If you go to their website, a pop-up will appear that allows you to add your name to the mailing list. If you do, you'll be sent a coupon for £50 off either edition of the book.Frankymole wrote:What's this "coupon" it refers to?
EDIT - The coupon actually gets you £50 off the Deluxe edition, and £30 off the Standard edition, because they've changed the price of the standard edition in the last day!