Author:
Cooper, Susan, 1935-
Edition Statement:1st Aladdin paperbacks ed.
Imprint:New York : Aladdin Paperbacks, 1989, c1965.
Description243 p. ; 18 cm.
Note:Three children on vacation in Cornwall find an ancient manuscript which sends them on a dangerous quest that entraps them in the eternal battle between the forces of the Light and the Dark.