In the midst of a lovers quarrel on a Venetian Bridge a pair of Thieves loses a Priceless stolen item to the canals murky Waters. Suspecting connection between the cross Joan of Arc and DaVinci annja creeds former mentor sends the archaeologist to oversee the search for the missing artifact. But someone else knows about the cross knows enough to kill for it. Despite several vicious attacks during their underwater Expedition annja and roux hired diver recovers the cross but when the divers loyalties are called into question and he disappears along with the treasure annja certain there's more to the ancient object than roux is letting on. She soon discovers the cross is only one piece of an intricate enigma a key that when combined with a series of musical notes May unlock one of Leonardo da Vinci's most fantastical inventions. But the price annja must pay to stop the key from falling into the wrong hands maybe her own life

ISBN: 9780373621699