Carolyn Keene

Terry Scott, a young archaeology professor, seeks Nancy’s help in unearthing a secret of antiquity which can only be unlocked by three black keys. While on an archaeological expedition in Mexico, Terry and Dr. Joshua Pitt came across a clue to buried treasure. The clue was a cipher carved on a stone tablet. Before the …

The Clue in the Old Album is the twenty-fourth volume in the Nancy Drew Mystery Stories series. It was first published in 1947 under the pseudonym Carolyn Keene.

The Clue in the Diary is the seventh volume in the Nancy Drew Mystery Stories series, and was first published in 1932 under the pseudonym Carolyn Keene. Its text was revised in 1962. This is the last manuscript Mildred Wirt Benson wrote in her initial run. She would return for volume 11, The Clue of the Broken Locket, …

The Clue in the Crumbling Wall is the twenty-second volume in the Nancy Drew Mystery Stories series. It was first published in 1945 under Carolyn Keene, a pseudonym of the ghostwriter Mildred Wirt Benson.