Nancy Drew's keen mind is tested when she searches for a missing will.

Nancy arrives in Phoenix, Arizona, eagerly looking forward to a fun-filled vacation at Shadow Ranch, but abruptly finds herself involved in a baffling mystery. The ranch is being haunted by a phantom horse and maliciously damaged by an unknown enemy.

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....

Nancy Drew and her friends find more adventures during their visit to Red Gate Farm. Juvenile fiction.

While trying to locate a missing dancer who is about to gain a large inheritance, Nancy Drew finds a clue leading to the solution of yet another mystery.

A fiery glowing eye in a museum, the abduction of Ned, the code name Cyclops, and a pilotless helicopter draw Nancy and her friends into a dangerous investigation.

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?

Nancy Drew investigates when a doll goes missing at a sleepover party.

Nancy and her friends become involved in a search for lost treasure.

Nancy Drew determines whether an ivory elephant charm really protects its wearer from harm when she investigates the involvement of a member of the Bengleton Wild-Animal Show in a mysterious scheme.