nancy drew mystery stories 44: the clue in the crossword cipher
Carolyn Keene
- New York Grosset & Dunlap c1967
- 177 illustrations 20cm
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.