Deep within the woods and canyons of California, four teenagers happen upon an ancient book containing the secrets of a strange, malevolent world that coexists with that of mankind. This film was re-editted with additional footage and released as Equinox (1970).
Frank Bonner
Edward Connell
Barbara Hewitt
Robin Christopher
Fritz Leiber Jr.
Louis Clayton
James Phillips
Patrick Burke
Sharon Gray
Jim Duron