The Clue of the Black Keys is the twenty-eighth volume in the Nancy Drew mystery series. It was first published in 1951 under the pseudonym Carolyn Keene. The actual authors were ghostwriters Wilhelmina Rankin and Harriet Stratemeyer Adams. Summaries (original edition) Nancy Drew 28 - Clue of the Black Keys

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. Summaries (original edition) Nancy Drew 27 - Secret of the Wooden Lady Adventure abounds on

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. Summaries (original edition) Nancy Drew 26 - Clue of the

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. Summaries (original edition) First edition Identification Points for Nancy Drew 25 - Ghost of Blackwood

The Clue in the Old Album is the twenty-fourth volume in the Nancy Drew Mystery Stories series. It was first published in 1947 by Grosset & Dunlap under the pseudonym Carolyn Keene. The actual author was ghostwriter Mildred Wirt Benson. Summaries (original edition) Nancy Drew 24 - Clue in the

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. Summaries (original edition) Nancy Drew 23 - Mystery of the Tolling Bell Nancy, Bess,