<DIV>The internationally bestselling butts-gone-bad are back!<br><br>Tyrannosore-arse Rex versus Tricerabutt: Who kicked more butt?<br>Stenchtiles and Farthropods: Which smelled most foul?<br>Exstinktion: How did the buttosaurs get wiped?<br><br>This book will tell you everything you need to know but were too grossed out to ask about prehistoric butt-related life forms and the complex stenchology of their environment. Never again will you look like a fool when somebody asks, "What buttosaur is that?"<br><br>A must-have for every kid with a butt!</div>