From the Publisher:
November 1145, and the bitter rift between King Stephen and Empress Maud at last has a chance for reconciliation. It is hoped that a council will resolve the question of prisoners of war. Cadfael has a special interest in attending, for he is seeking his lost son.
Ellis Peters: Brother Cadfael's Penance. The Twentieth Chronicle of Brother Cadfael. Time Warner Paperbacks, ISBN: 0751513709 (October, 1995), 288 p., £6.99.