Bischof, George P Sun, earth, and man [by] George P. and Eunice S. Bischof. Illustrated with drawings by Jere Donovan and with photos. - New York Harcourt, Brace [c1957] - 118 p. illus. 21 cm. LCCN: 56008352 Subjects--Topical Terms: Science--Juvenile literature.Man LC Class. No.: Q163 / .B63 Dewey Class. No.: 500