In this alternative history mystery book, set in Renaissance Italy, art historian Sophia Rossi stumbles upon a hidden message within Leonardo da Vinci's famous painting, 'The Last Supper.' As she deciphers the cryptic code, Sophia unravels a centuries-old secret that could change the course of history. With the help of a charming cryptographer, she embarks on a race against time to protect the truth and preserve the true meaning of Christmas.
