Are you in the house alone? / Peck, Richard

As the recipient of threatening, obscene notes and phone calls, a high school girl becomes terrifyingly aware that she is under constant observation by a psychotic.

Gail Osborne, a high school girl in suburban Connecticut, is swept up into a world of terror when she begins receiving threatening and obscene notes and telephone calls.

As the recipient of threatening, obscene notes and phone calls, a high school girl becomes terrifyingly aware that she is under constant observation by a psychotic.

As the recipient of threatening notes and phone calls, a high school girl becomes aware that she is under constant observation.