Dink and his friends unearth the mysterious truth behind the envelopes incorrectly delivered to his house.

Teenage detective Nancy Drew uses her courage and powers of deduction to solve the mysterious happenings in an old stone mansion.

When Nancy Drew and her two close friends arrive for the Emerson University June Week celebration and learn there has been a mix-up in their motel reservations, the confusion leads to a baffling mystery.
Uncle John Rorick, a descendant of the early settlers of the town of Emerson, invites the three girls to be his guests at his historic mansion on Pine Hill. Shortly after their arrival, he tells them about the phantom who haunts the mansion’s...

An anonymous diary is a mystery with handwriting that is difficult to decipher. It is filled with technical drawings and chemical formulas. Was the destructive explosion an accident or an act of revenge?

Rendered a ghost by a bicycle accident, young Finn McAllister teams up with fellow spirit Isabella Rojas to commit invisible pranks on the living, before discovering that they cannot move on to the afterlife.

The mysterious death of an eccentric millionaire brings together an unlikely assortment of heirs who must uncover the circumstances of his death before they can claim their inheritance.

At an old library, the Alden children discover a boy who needs their help and a stranger who is after a valuable object they found in the library.

Dink and his friends meet an exchange student, Sammi, who is actually the prince of an island country, hiding from those enemies who have kidnapped his parents and who may be after him as well.

Dink and his friends use their detective skills to locate a giant emerald missing from a statue delivered to Uncle Warren's museum in New York City.