The Clue in the Crossword Cipher
|Publisher||Grosset & Dunlap|
|Media type||Print (Hardback & Paperback)|
|Pages||It is located in Peru where she solved the mystery.|
|Preceded by||The Mystery of the 99 Steps|
|Followed by||The Spider Sapphire Mystery|
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.
A woman named Carla Ponce invites Nancy, Bess, and George to Peru to help decipher the mystery in the crossword cipher—a wooden plaque that promises to lead them to a wonderful treasure. Nancy must find the treasure before a gang of thieves lead by El Gato (The Cat) reach it first.