Knights of the Cross

"Byzantium, 1096.When a mysterious assassin looses his arrow at the emperor, he has more than a man in his sights; the keystone of a crumbling empire, he is the solitary figure holding its enemies in check.If he falls, then the mightiest power in Christendom will be torn apart. Aware of the stakes, the emperor hires Demetrios Askiates, the unveiler of mysteries, to catch the would-be-killer. As the armies of east and west confront each other, and the assassin creeps ever closer to his prey, Demetrios must untangle the golden web of intrigue which surrounds the emperor before the city and the empire are drowned in blood.