Illustrated descriptions of the animals form the heart of Ice Age Mammals of North America and explore why so many of these animals were extinct by the end of Pleistocene time. Annotation. This engaging introduction to ice age mammals for general readers and students with little scientific background describes the geologic events that led to the ice ages and looks at the possible causes for the mass extinctions of so many species. Side bars explore interesting topics like the enormous size of some Ice Age animals and the role of DNA analysis in the study of these beasts. B&w photos of bones and digs, and color illustrations of animals, are included, as well as a list of selected museum and fossil sites.

Dinosaurs and woolly mammoths -- Cast of continents -- Pleistocene epoch -- Why the ice ages? -- Pleistocene animals -- Extinctions: Why are the big buys gone?