Nancy Drew and her two friends help uncover a gang of swindlers while vacationing in a seaside town.

A puzzling message attached to the leg of a wounded homing pigeon involves Nancy in a dangerous mission.

The original version - Nancy wins some land in Canada and problems develop when it is believed that there is gold on Nancy's property. Also a subplot about long-lost lovers.

Nancy Drew becomes involved in a double mystery concerning a haunted bridge and jewel thieves.

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 uses a lost diary to exonerate an innocent prisoner.

Nancy travels with her father and two close friends to visit her great-grandmother in Scotland and discovers the mystery of a missing family hierloom.

Nancy Drew travels to Peru to solve a mystery involving a long-lost treasure and a crossword clue carved into an ancient wooden plaque.

The young detective and her friends probe the mysterious movements of puppets on the Van Pelt estate