"The Laws of Countries": prologue and overview -- Christianity and empire -- Tempora Christiana: Christian times -- Virtutes sanctorum... strages gentium: "Deeds of saints... slaughter of nations" -- On the frontiers: Noricum, Ireland, and Francia -- Reverentia, rusticitas: Caesarius of Arles to Gregory of Tours -- Bishops, city, and desert: East Rome -- Regimen animarum: Gregory the Great -- Powerhouses of prayer: monasticism in Western Europe -- The making of sapiens: religion and culture in continental Europe and in Ireland -- Medicamenta paenitentiae: Columbanus -- Christianity in Asia and the rise of Islam -- "The changing of the kingdoms": Christians under Islam -- Christianities of the north: Ireland -- Christianities of the north: the saxons of Britain -- Micro-Christendoms -- The crisis of the image: the Byzantine iconoclast controversy -- The closing of the frontier: Frisia and Germany -- "To rule the Christian people": Charlemagne -- In geār dagum, "In days of yore": vorthern Christendom and its past.