TY - BOOK AU - Keene, Carolyn AU - Carolyn Keene TI - nancy drew mystery stories 44: : the clue in the crossword cipher U1 - Fic. K26c 1995 PY - 1967/// CY - New York PB - Grosset & Dunlap N2 - In The Clue in the Crossword Cipher (Book 44, 1967), Nancy Drew travels to Peru to help Carla Ponce solve a "monkey mystery" involving a stolen, ancient plaque containing a crossword cipher. She must track down the smuggler "El Gato" to recover the clue and uncover a massive archaeological discovery at Machu Picchu ER -