Stratemeyer Syndicate

At Misty Lake Nancy and her friends investigate two mysteries: a pop singer whose record company may be cheating him of royalties, and a missing treasure.

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 embarks on a treasure-hunt which leads her to the Inca ruins at Machu Picchu.

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...

Nancy encounters a mysterious saleswoman in a perfume shop, a curious man on the train, and then finds herself trying to decipher a strange code.

Nancy Drew sets out to prove that her father's client was unjustly accused of trying to sabotage the United States space program.

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.

The disappearance of a seventeen-year-old girl leads Nancy into an intriguing mystery involving a castlelike building with a drawbridge.

Nancy, with her father and her two best friends, go to visit her great-grandmother at an imposing estate in the Scottish Highlands, and to solve the mystery of a missing family heirloom. There is another mystery to be solved flocks of stolen sheep.

While trying to recover a set of stolen parchment paintings, Nancy Drew becomes involved in tracking a kidnapper and extortionist.