Nancy arrives in Phoenix, Arizona, eagerly looking forward to a fun-filled vacation at Shadow Ranch but finds herself embroiled in a baffling mystery involving a phantom horse and buried treasure. Local people believe that the ghostly animal is carrying out the curse of Dirk Valentine, the romantic outlaw who was killed many years ago at Shadow Ranch, where he had gone to fulfill a promise to his sweetheart. Suspecting that a treasure hidden by Valentine...

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

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

An Elizabethan festival has come to River Heights, and Nancy has joined the troupe as a lady to the queen's court.

When Nancy's new puppy gets blamed for stealing muffins, Nancy tries to find the real thief and prove her puppy's innocence. A little puppy is turning into a big problem! Nancy's wish has finally come true: she has a dog of her own. She's a chocolate-colored Labrador retriever, and she's fun and friendly and loves to play. But the pup's also in a sticky situation -- and its up to Nancy to save her. Hannah's fresh-baked muffins have vanished, and a...

Nancy Drew must use clues in a dead man's letters to find some unpublished musical manuscripts that will save an old man and his granddaughter from financial ruin.

Once again Nancy Drew is involved in a mystery as she tries to locate an archaeologist who disappeared with the clues to a buried treasure.

When a gang that uses parties as a cover for robberies victimizes a masquerade party Nancy is attending, the teen-age detective switches identity with her girl friend to solve the case.

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?