The Queen's Gambit: A Leonardo da Vinci Mystery

Engineering a living chess game consisting of members of the royal court for Ludovico Sforza, Duke of Milan, Leonardo da Vinci's triumph is marred by the murder of one of the chess "pieces," the duke's ambassador to France, and is caught up in a maze of court politics and intrigue when he and his young apprentice Dino are asked by the duke to investigate the crime. Reprint.