Light and darkness
By: by Franklyn M. Branley ; illustrated by Reynold Ruffins.
Contributors: Ruffins, Reynold, ill.
Series: Let's-read-and-find-out science book
Publisher: Crowell
Published: 1975
Place of publication: New York
Language: eng
Number of pages: 33
Subjects: Light -- Juvenile literature.; Light.
Description: Discusses the properties of light, particularly its source in heat.