Into the unknown.
By: Introd. by Maynard M. Miller. Illustrated by Mort Künstler.
Contributors: Künstler, Mort, illus.
Publisher: Platt & Munk
Published: 1968
Place of publication: New York
Language: eng
Number of pages: 306
Subjects: Explorers.; Explorers -- Juvenile literature.
Description: Portraits of ten twentieth-century explorers whose investigations take them into the sky, water, jungle, caves, the archaeological past, and other areas not yet thoroughly explored by man.
Notes: Bibliography: p. [303]-306.