The cave twins.
By: Illustrated by the author.
Publisher: Walker
Published: 1968
Place of publication: New York
Language: eng
Number of pages: 162
Subjects: Cave dwellers -- Fiction
Description: One in a series of stories that introduce a period of history and a geographical location through the adventures of twins. Here, cave twins Firetop and Firefly take us to prehistoric days when man was a hunter and wore the skins of animals.