Nancy Drew solves her first mystery when the accidental rescue of a little girl who lives with her two great-aunts leads on an adventurous search for a missing will.

Nancy receives a letter meant for a British heiress who has the same name and, in her attempts to contact the other young woman, faces danger from a man who operates a Lonely Hearts Club mail fraud.

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 pays a visit to Twin Elms, a gracious old country estate, only to find that her hosts complain they are being haunted by ghosts.

During winter vacation Nancy investigates the disappearance of Sherlock the snowman and other events predicted by her friend Deirdre.

"Nancy, George, and Bess are attending a three-day overnight camp at the local zoo. They'll get to spend lots of time with all of the animals and learn about them, too. The best part is, they will be helping the zookeeper make toys for the animals, just like real staffers! But when the toys the girls make by day are disappearing at night, it looks like everyone is a suspect! Can Nancy tame this wild case, or will the zoo animals be without anything...

Nancy Drew comes to the aid of the owners of a local dancing school when they receive an anonymous note threatening their lives.

The gift of an oriental rug with a coded message woven into its border and the disappearance of a Turkish client start Nancy Drew on a new search for a missing mannequin.

Eight-year-old Nancy Drew and her friends Bess and George investigate the disappearing glass slipper.

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.