Giants from the past :
Giants from the past : the age of mammals /
photographs by Joseph H. Bailey.
- [Washington, D.C.] : National Geographic Society, 1983.
- 104 p. : col. ill. ; 28 cm. + classroom activities folder.
- Books for world explorers .
Includes index.
Bibliography: p. 103.
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.
0870444247 : 0870444298 (lib. bdg.) :
Mammals, Fossil--Juvenile literature.
Mammals, Fossil.
Extinct animals.
Fossils.
569 / G I
Includes index.
Bibliography: p. 103.
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.
0870444247 : 0870444298 (lib. bdg.) :
Mammals, Fossil--Juvenile literature.
Mammals, Fossil.
Extinct animals.
Fossils.
569 / G I