What buttosaur is that?
By: Andy Griffiths ; illustrated by Terry Denton.
Publisher: Scholastic
Published: 2007
Place of publication: New York
Language: eng
Number of pages: 157
ISBN-13: 9780439926225
Subjects: Buttocks -- Fiction.
Genres: Fiction.
Description: "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..."--Cover back.
Notes: Includes index.

"The essential companion to the internationally butt-selling trilogy."--Cover back.