Discover Brother Cadfael: Former soldier. Benedictine monk. Amateur sleuth. The Cadfael Chronicles, by Diamond Dagger winner Ellis Peters, follow the mediaeval mysteries of one of classic crime's most unique detectives. November, 1145. The bitter rift between King Stephen and Empress Maud at last has a chance of reconciliation. Brother Cadfael is faced with a shocking revelation: one of the hostages is his illegitimate son.