Fresh-water friends and foes.
By: Foreword by Lee Metcalf.
Edition: [2d ed.]
Publisher: Acropolis Books
Published: 1967
Place of publication: Washington
Language: eng
Number of pages: 40
Subjects: Natural history -- Juvenile literature.; Natural history.; Freshwater biology.
Description: Describes the plant and animal life of fresh water areas, and stresses the importance of keeping these areas free from pollution.
Notes: Bibliography: p. 27.