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 Hidden Staircase is the second volume in the Nancy Drew Mystery Stories series written under the pseudonym Carolyn Keene, published in 1930 and revised in 1959. The original text was written by Mildred Wirt Benson, and she has said that it is her personal favorite of the Nancy Drew Books she wrote.
The Password to Larkspur Lane is the tenth volume in the Nancy Drew Mystery Stories series. It was first published in 1933 under the pseudonym Carolyn Keene. The actual author was ghostwriter Walter Karig in his third and final Nancy Drew novel and his final appearance for the Stratemeyer Syndicate. Due to Karig's death in 1956, this book and his other two Nancy Drews, as of January 1, 2007, have passed into the public domain in Canada and other countries with a life-plus-50 policy.
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 Clue of the Leaning Chimney is the twenty-sixth volume in the Nancy Drew Mystery Stories series. It was first published in 1949 under the pseudonym Carolyn Keene. The actual authors were ghostwriters George Waller, Jr. and Harriet Stratemeyer Adams.
The Mystery at the Ski Jump is the twenty-ninth volume in the Nancy Drew Mystery Stories series. It was first published in 1952 under the pseudonym Carolyn Keene. The actual author was ghostwriter Alma Sasse.
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 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.
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 Secret of the Forgotten City is the fifty-second volume in the Nancy Drew Mystery Stories series. It was first published in 1975 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
The Sky Phantom is the fifty-third volume in the Nancy Drew Mystery Stories series. It was first published in 1976 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
The Swami's Ring is the 61st volume in the Nancy Drew Mystery Stories series. It was first published in 1981 under the pseudonym Carolyn Keene. It was written by Nancy Axelrad.
The Case of the Rising Stars is the eighty-seventh volume in the Nancy Drew mystery series. It was first published in 1989 under the pseudonym Carolyn Keene.
Treasure in the Royal Tower is a young adult novel by Carolyn Keene in the Nancy Drew stories.
The E-mail Mystery is the 144th book in the Nancy Drew series. It was published in 1998 under the pseudonym Carolyn Keene.
The Haunted Showboat is the thirty-fifth book in the Nancy Drew mystery series. It was first published in 1957 under the pseudonym Carolyn Keene. The actual author was ghostwriter Harriet Stratemeyer Adams.
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.
