How the animals came to North America.
By: Illustrated by Lorence F. Bjorklund.
Contributors: Bjorklund, Lorence F., illus.
Publisher: Holiday House
Published: 1974
Place of publication: New York
Language: eng
Number of pages: 37
Subjects: Animal migration -- Juvenile literature.; Evolution -- Juvenile literature.; Zoogeography -- North America -- Juvenile literature.; Animals -- Migration.; Evolution.
Description: Describes the migration of animal life to the North American continent and its subsequent evolution.