Shadow of the King (Pendragon's Banner Trilogy)

Book Three of the Pendragon's Banner Trilogy. Arthur - the boy who became a King, who became a legend. 500 AD, and Britain is at peace. But when King Arthur is missing, presumed dead, the vultures descend, vying for his throne. Chaos threatens in this evocative and powerful Arthurian legend retold by USA Today bestselling historical fiction author Helen Hollick.