Packed with full colour illustrations and diagrams and extremely informative entries. Never again need you look like a fool when somebody asks you, ‘What bumosaur is that?’ Features useful facts such as: Bumheaded Idiotasaurus – definitely the second-most stupid-looking bumosaur in prehistoric times. Poopigator – just like an alligator, except browner. And smellier. Along with the most important – and frequently sought after – information about the greatest bumosaur battles ever, and including a brief overview of the theory of bummolution and vital tips on how to keep a bumosaur as a pet. Toilet humour meets dinosaurs in this perfect book for boys, from a No. 1 bestselling Australian children's author and illustrator.