Sabertooth

Long ago there lived big cats whose giant teeth make today's cats look tame: sabertooth! Those teeth helped it compete with other predators for a meal of mammoth--or even a tasty human. Then, ten thousand years ago, every last sabertooth disappeared. With only ancient bones--and massive teeth--to guide them, scientists are learning amazing facts about these enormous prehistoric cats. Patrick O'Brien's captivating illustrations, exciting facts, and kidfriendly, comics-inspired design will thrill young adventurers.