Carolyn Keene

The Ringmaster's Secret is the thirty-first volume in the Nancy Drew Mystery Stories series. It was first published in late 1953 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.

The Clue of the Velvet Mask is the thirtieth volume in the original Nancy Drew Mystery Stories series. It was Mildred Benson's final ghostwrite for the series. The plot and story take place largely in Nancy's hometown of River Heights. Nancy tries to solve a mystery about a gang of event thieves robbing homes during …

The Clue in the Jewel Box is the twentieth volume in the Nancy Drew Mystery Stories series. It was first published in 1943 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.