Why is six afraid of seven? Because seven eight nine! Roald Dahl's Whizzpopping Joke Book is a collection of hundreds of great jokes would make even the Trunchbull laugh!Inspired by Roald Dahl's wonderful world, these gigglesome gags are guaranteed to raise a chuckle and keep human beans young and old entertained for hours on end.; 128 pages; Published: 02/06/2016