When dogs and men suddenly disappear, and strange screams fill the night, fantastic stories of vengeful ghosts are almost believable.
Frank and Joe are determined to find the captain, despite Chet\'s misgivings after a ni.
But when the Hardy boys and Chet Morton arrive at Captain Thomas Maguire\'s cabin on the edge of the hollow, he has disappeared.
It is these strange happenings which bring Frank and Joe Hardy to the Pocono Mountains to help their father\'s friend solve the mystery of Black Hollow.
When dogs and men suddenly disappear, and strange screams fill the night, fantastic stories of vengeful ghosts are almost believable