Diary of a Wimpy Kid Holiday Treat Truck. Join us as the Diary of a Wimpy Kid Holiday Treat Truck comes to Bookends. Get a free silly wrist band shaped like Greg Heffley's head, while supplies last. One wrist band limit per person. Enter to win a signed copy of THE UGLY TRUTH and the new BOX OF BOOKS collection. Give the gift of Wimpy Kid this holiday season during this special event. Please note: Jeff Kinney will not be make an appearance at this event and will not be signing books.