Title: Saber tooths are the big cats
Description: "Describes the animals of the Quaternary Period, when an ice age took hold of Earth, and new animals evolved to survive the harsh weather. This period also marks when our human ancestors started to appear. Includes an Animal Families glossary, prehistory timeline, and pronunciation guides"--
Subjects: Juvenile literature, Fossil Animals, Paleontology
Time periods: Pleistocene