Carolyn Keene

The Mystery at the Moss-Covered Mansion is the eighteenth volume in the Nancy Drew Mystery Stories series published by Grossett & Dunlap, and was first published in 1941. The original text was written by ghostwriter Mildred Wirt Benson, based upon a plot outline from Stratemeyer Syndicate co-owner Harriet …

The Mystery of the Tolling Bell is the twenty-third volume in the Nancy Drew Mystery Stories series. It was first published in 1946 under the pseudonym Carolyn Keene. The actual author was ghostwriter Mildred Wirt Benson.

The Clue in the Crossword Cipher is the forty-fourth volume in the Nancy Drew Mystery Stories series. It was first published in 1967 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.