Ogg and Bob are cavemen. They’re also best friends. Ogg is good at thinking of things for the two friends to do together. Bob is good at solving the problems that he and Ogg encounter. But what happens when these two cavemen decide to get a pet mammoth? With simple text, funny "caveman speak," and full-color illustrations on every page, these delightful chapter books are a treat for children.

Illustrated by: Mary Ann Fraser