Why frogs are wet
By: Illustrated by Don Madden
Contributors: Madden, Don, 1927- illus
Series: Let's-read-and-find-out science book
Publisher: T. Y. Crowell Co.
Published: 1968
Place of publication: New York
Language: eng
Number of pages: 35
Subjects: Frogs; Juvenile literature
Description: A brief study of the first creatures on earth to develop voices and an aversion to dry skin.