What's inside the earth?
By: by Herbert S. Zim. Illustrated by Raymond Perlman.
Contributors: Perlman, Raymond, illus.
Publisher: Morrow
Published: 1953
Place of publication: New York
Language: eng
Number of pages: 30
Subjects: Geology -- Juvenile literature.; Geology.; Earth.
Description: Picture and separate texts for two age levels explain simply what is inside of mines, caves, wells, volcanoes, mountains, and the earth in general.