Gravity.
By: Illustrated by Arthur Schaffert.
Contributors: Schaffert, Arthur, illus.
Series: Science is what and why
Publisher: Coward-McCann
Published: 1969
Place of publication: New York
Language: eng
Number of pages: 46
Subjects: Gravity -- Juvenile literature.; Gravity.
Description: Explains gravity, the force that never goes on strike, and its effect on earth and outer space.