Carolyn Keene

The Moonstone Castle Mystery is the fortieth volume in the Nancy Drew Mystery Stories series. It was first published in 1963 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.

The Mystery of the Ivory Charm is the thirteenth volume in the Nancy Drew Mystery Stories series. It was first published in 1936 under the pseudonym Carolyn Keene. The actual author was ghostwriter Mildred Wirt Benson. This is one of the few Nancy Drew books where an acknowledgement has been made to Mildred Wirt …

Mrs. Strook requests Nancy's help finding an old stagecoach she believes her uncle hid in her hometown of Francisville. Mrs. Strook believes the stagecoach houses a clue that will be valuable for the town! Can Nancy help her find the missing stagecoach?