Giants from the past : the age of mammals /

Traces the development of the first mammals, many of which grew to giant proportions in order to survive the cold temperatures and violent changes of the Ice Age.

Bibliographic Details

Corporate Author:	National Geographic Society (U.S.)
Other Authors:	Bailey, Joseph H.
Format:	Book
Language:	English
Published:	[Washington, D.C.] : National Geographic Society, [1983]
Series:	Books for world explorers.
Subjects:	Mammals, Fossil > Juvenile literature. Mammals, Fossil. Extinct animals. Fossils.