So World's Collider was published on July 10th and sold pretty well out of the gate, but then something happened on Thursday morning (July 19th) that changed everything. This e-mail was sent to everyone in the UK who had previously bought one of Aaron Rosenberg's books from Amazon. So basically, Amazon UK saw that World's Collider featured Aaron, assumed this was his latest book (which it only sort of is) and publicized it to all his previous customers. Now Aaron has sold quite a lot o...