#1 WORLDWIDE BESTSELLER • While in Paris, Harvard symbologist Robert Langdon is awakened by a phone call in the dead of the night. The elderly curator of the Louvre has been murdered inside the museum, his body covered in baffling symbols. "Blockbuster perfection.... A gleefully erudite suspense novel." -The New York Times"A pulse-quickening, brain-teasing adventure." -PeopleAs Langdon and gifted French cryptologist Sophie Neveu sort through the bizarre riddles, they are stunned to discover a trail of clues hidden in the works of Leonardo da Vinci-clues visible for all to see and yet ingeniously disguised by the painter. Even more startling, the late curator was involved in the Priory of Sion-a secret society whose members included Sir Isaac Newton, Victor Hugo, and Da Vinci-and he guarded a breathtaking historical secret. Unless Langdon and Neveu can decipher the labyrinthine puzzle-while avoiding the faceless adversary who shadows their every move-the explosive, ancient truth will be lost forever.