Carpenter, Harry A. Our Environment : Its Relation to Us / Harry A. Carpenter - New York : Allyn and Bacon, c1942. - xii, 452 p. : ill. ; 20 cm. 1. Includes Bibliography. 2. Glossary. 1. Index. Subjects--Topical Terms: 1. Science -- Juvenile literature. Dewey Class. No.: Circ. 500 C226