King Arthur is dead. Camelot has fallen. Britain drowns in Saxons. These are the stories of what came after. Merlin's prophecies begin such, in introduction: "In the days when Arthur's dream was dimmed, as grey embers under storm, actors from our reverie still acted. A boy ventures into decaying Broceliande with the May Hawk's daughter, both in search of fathers. Sir Gawain, bereft of his nation, rides in search of my tomb-but...