Earthworms, underground farmers
By: by Patricia Lauber.
Publisher: Garrard Pub. Co.
Published: 1976
Place of publication: Champaign, Ill
Language: eng
Number of pages: 64
Subjects: Earthworms -- Juvenile literature; Soil fertility -- Juvenile literature; Earthworms; Soil fertility
Description: Describes the physiology of the earthworm and the useful services it performs for man.
Notes: Includes index.