This book is written for children 5 through 10. Part of a series designed to develop their curiosity, fascinate them and educate them, this volume introduces the primate family, their physiology, and habits. Topics described include: (1) kinds of monkeys, including lemur, chimpanzee, gorilla, squirrel monkey, and marmoset; (2) behaviors when travelling, eating, sleeping, and defending themselves; (3) advent of human ancestors; and (4) hypothetical apes, such as King Kong and the yeti. (YP)