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. Edward Stratemeyer, the founder of the Syndicate, hired writers, beginning with Mildred Wirt, later Mildred Wirt Benson, to write the manuscripts for the Nancy Drew books. The writers initially were paid $125 for each book and were required by their contract to give up all rights to the work and to maintain confidentiality. Benson is credited as the primary writer of Nancy Drew books under the pseudonym Carolyn Keene. Harriet Adams (Stratemeyer's daughter) rewrote the original books and added new titles after the withdrawal of Benson. Other ghostwriters who used this name to write Nancy Drew mysteries included Leslie McFarlane, James Duncan Lawrence, Walter Karig, Nancy Axelrad, Priscilla Doll, Charles Strong, Al...