"After the dinosaurs disappeared, a new form of life began to thrive on Earth. This final book in the series traces the emergence of mammals, from woolly mammoths to killer pigs to humans."--Provided by publisher.
Formatted Contents Note: The rise of the mammals -- Evolution timeline -- Amazing mammals -- Meet the meat eaters -- A whale of a time -- Monstrous mammals -- The killer pigs -- Walking whales -- Terror birds -- Marvelous marsupials -- Monkey business -- Magnificent mammoths -- Did you know?