By Carolyn Keene
Attractive younger Carla Ponce, who lives in Peru, invitations Nancy and her neighbors Bess and George to go to her and remedy her “monkey mystery,” which delivers to guide to a superb treasure. A clue is carved on an interesting wood plaque that's so outdated, many of the crossword cipher is obliterated. while a infamous gang headed through El Gato (the Cat) steals the worthwhile relic, Nancy’s hopes of fixing the secret are nearly shattered. however the bold younger detective’s skill to imagine quick and act speedy leads to the restoration of the plaque.
Nancy’s decided efforts to decode the crossword decipher take her to the brilliant, awe-inspiring Incan ruins at Cuzco and Machu Pichu. via shrewdpermanent deductions, perseverance, and unsafe adventures, Nancy and her buddies support to seize a hoop of vicious smugglers and move directly to make an awesome archaeological discovery.