In "The Clue in the Crossword Cipher" by Carolyn Keene, Nancy travels to Peru to solve a mystery involving a long-lost treasure and a crossword clue carved into an ancient wooden plaque. When a notorious gang headed by El Gato (The Cat) steals the priceless plaque, Nancy's hopes of solving the mystery are almost shattered. But the daring detective's ability to think fast and act quickly results in the recovery of the priceless relic. Nancy's determined efforts to decode the crossword cipher take her to the magnificent, awe-inspiring ruins at Machu Picchu. Through clever deductions, perseverance, and dangerous adventures, Nancy and her friends Bess and George help to capture a ring of vicious smugglers and go on to make an astounding archaeological discovery.
Nancy has created an adventure for you. To find the final treasure (cache location), you will need to solve the crossword cipher below which will be the clue you need for the first stage of the journey. There you will find a historical artifact that will reveal more information you need to find the treasure. You need not travel to Machu Picchu for this adventure but you will need amazing sleuthing skills and some equipment no modern detective should be without.
After you have completed the crossword cipher, you can identify the coordinates with the following: NORTH GIDTPAA WEST PLID[zero]CC