Packed with 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.

Andy Griffiths is an internationally successful children's author and the award-winning writer of the JUST series and the BUM trilogy. His books have been bestsellers in both his native Australia and the USA - his latest title reaching No. 1 in the Australian National Children's charts. Andy thrives on having an audience; he has been a teacher, the lead singer in a rock band and a stand-up comedian. He lives in Smellbourne, I mean Melbourne, Australia, with his partner and two daughters. Other books by Andy Griffiths to look out for: THE DAY MY BUM WENT PSYCHO, ZOMBIE BUMS FROM URANUS, BUMAGEDDON, JUST ANNOYING, JUST CRAZY, JUST DISGUSTING, JUST KIDDING, JUST STUPID. Terry Denton is well-known for his work with Andy Griffiths on several titles, including the JUST books. He is also an author and illustrator in his own right and extremely popular with audiences in Australia and the US.