Teenage detective Nancy Drew uses her courage and powers of deduction to solve the mysterious happenings in an old stone mansion. After receiving a call from her friend Helen Corning, Nancy agrees to help solve a baffling mystery. Helen's Aunt Rosemary has been living with her mother at the old family mansion, and they have noticed many strange things. They have heard music, thumps, and creaking noises at night, and seen eerie shadows on the walls....

While trying to help a friend out of a difficulty, teenage detective Nancy Drew has a perilous experience in and around a deserted bungalow.

Teenage detective Nancy Drew finds herself in danger when she sets out to track a jewel thief.

Vera Alexander's plan to convert an old knife factory into a museum has been met with threatening phone calls and incidents, and as Nancy investigates, it may involve an unsolved murder that occurred to the factory fifty years earlier

Presents a collection of three classic Nancy Drew mysteries by noted author Carolyn Keene and includes The Secret of the Old Clock, The Bungalow Mystery, and The Mystery of the 99 Steps.

A billionaire environmentalist has constructed bio-domes in River Heights to help save the planet, but, shortly after a gross green substance destroys one of the domes, creatures such as Sasquatch, Okala Kane, and the Abominable Snowman are seen lurking nearby. Nancy, Bess, and George investigate.