This instant New York Times bestseller reveals the secrets embedded in Leonardo Da Vinci's best-known Christian piece The Last Supper. Milan, 1497: Leonardo is completing The Last Supper. Pope Alexander VI is determined to execute him after realizing that the painting contains clues to a baffling--and blasphemous--message that he is driven to decode. The Holy Grail and the Eucharistic Bread are missing, there is no meat on the...