A wounded homing pigeon carrying a mysterious message lands in Nancy's yard and she finds herself investigating the workings of a sanatorium.

Adventure abounds on the Bonny Scot in Boston Harbor as Nancy Drew helps Captain Easterly uncover the mystery of his ghostly visitors. From the moment the clever young detective and her friends, Bess Marvin and George Fayne, take up residence on the old clipper ship they are confronted with fire, theft, and other dangerous situations. Nancy faces an additional challenge: to find a clue to the clipper's missing figurehead. If she is successful, it...

Nancy Drew joins the circus in order to investigate the mystery surrounding a gold charm bracelet and a young orphaned aerialist.

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....

On her way to Red Gate Farm, Nancy encounters a mysterious saleswoman in a perfume shop, a curious man on the train, and a strange code to be deciphered, but when she arrives at the farm, Nancy is compelled to investigate her suspicions that part of the farm is being used for a secret society's meetings.