Mildred Augustine Wirt Benson was an American journalist and writer of children's books. She wrote some of the earliest Nancy Drew mysteries and created the detective's adventurous personality. Benson wrote under the Stratemeyer Syndicate pen name, Carolyn Keene, from 1929 to 1953 and contributed to 23 of the first 30 Nancy Drew mysteries, which were bestsellers.
Carolyn Keene is the pseudonym of the authors of the Nancy Drew mystery stories and The Dana Girls mystery stories, both produced by the Stratemeyer Syndicate. In addition, the Keene pen name is credited with the Nancy Drew spin-off, River Heights, and the Nancy Drew Notebooks.
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.
The Quest of the Missing Map is the nineteenth volume in the Nancy Drew Mystery Stories series. It was first published in 1942 under the pseudonym Carolyn Keene. The actual author was ghostwriter Mildred Wirt Benson.
The Ghost of Blackwood Hall is the twenty-fifth volume in the Nancy Drew Mystery Stories series. It was first published in 1948 under the pseudonym Carolyn Keene. The actual author was ghostwriter Mildred Wirt Benson.
The Secret of the Wooden Lady is the twenty-seventh volume in the Nancy Drew Mystery Stories series. It was first published in 1950 under the pseudonym Carolyn Keene. The actual author was ghostwriter Margaret Scherf.
The Hidden Window Mystery is the thirty-fourth volume in the Nancy Drew Mystery Stories series. It was first published in 1956 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
The Secret of the Golden Pavilion is the thirty-sixth volume in the Nancy Drew Mystery Stories series. It was first published in 1959 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
The Clue of the Dancing Puppet is the thirty-ninth volume in the Nancy Drew Mystery Stories series. It was first published in 1962 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
The Clue of the Whistling Bagpipes is the forty-first volume in the Nancy Drew Mystery Stories series. It was first published in 1964 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
The Phantom of Pine Hill is the forty-second volume in the Nancy Drew Mystery Stories series. It was first published in 1965 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
The Mystery of the 99 Steps is the forty-third volume in the Nancy Drew Mystery Stories series. It was first published in 1966 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
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.
The Spider Sapphire Mystery is the forty-fifth volume in the Nancy Drew Mystery Stories series. It was first published in 1968 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
The Invisible Intruder is the 46th volume in the Nancy Drew Mystery Stories series. It was first published in 1969 under Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
The Crooked Banister is the forty-eighth volume in the Nancy Drew Mystery Stories series. It was first published in 1971 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
The Double Jinx Mystery is the fiftieth volume in the Nancy Drew Mystery Stories series. It was first published in 1973 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
Mystery of the Glowing Eye is the fifty-first volume in the Nancy Drew Mystery Stories series. It was first published in 1974 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
The Thirteenth Pearl is the fifty-sixth volume in the Nancy Drew Mystery Stories series. It was first published in 1979 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams. The Thirteenth Pearl is the end of the original 56-book series published by Grosset & Dunlap. Subsequent volumes were published by Simon & Schuster.
The Clue in the Old Stagecoach is the thirty-seventh volume in the Nancy Drew Mystery Stories series. It was first published in 1960 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
