The Secret Supper by Javier Sierra Leonardo da Vinci Hardcover 1st Edition Sent by Pope Alejandro VI to oversee the completion of Da Vinci's "The Last Supper" at the beginning of 1497, Dominican inquisitor Fray Agustin Leyre investigates the master artist's omission of key elements and use of symbolic imagery, which suggests that a mysterious message has been coded into the painting. 350,000 first printing. Buy One Get One 50% Off