The Hardy boys go to the Pocono Mountains to help a friend of their father find out what is behind the mysterious happenings at Black Hollow, and in the process help their father solve a case involving a ring of thieves.
When dogs and men suddenly disappear, and strange screams fill the night, fantastic stories of vengeful ghosts are almost believable. 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. But when the Hardy boys and Chet Morton arrive at Captain Thomas Maguire’s cabin on the edge of the hollow, he has disappeared. Frank and Joe are determined to find the captain, despite Chet’s misgivings after a night of weird and terrifying screams. Strangely, it is a small puppy that discloses a most unusual and surprising set of circumstances, involving a mute boy, an elusive hermit, and a fearless puma trainer.
The disappearance of a retired police captain, two empty shotgun shells and a series of bloodcurdling cries plunge the Hardy boys into adventure in the Pocono Mountains
Frank and Joe go to the Pocono Mountains to investigate the mystery of a legendary witch who stalks Black Hollow seeking vengeance. Disappearances occur and strange screams fill the night.
"This book follows the development of the Hardy Boys series through 1979. Includes the writing of Stratemeyer and McFarlane; the Cold War and the disco age; race, class, gender; family values; law and order; and action rather than violence. Appendices provide a bibliography of Hardy Boys books, opening lines from 20 novels, and selected "Hardyisms.""--Provided by publisher.