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.