Camlan and the Shadow of the Sword by Robert Buchanan is the story of Sir Arthur and the Round Table. Excerpt: “I may not trust false Mordred.” --'Twas thus did Arthur say,--— “He will not stint to treason do. His uncle-King to slay; So watch ye well when we are met. And but ye chance to see One sword unsheathed, upon them! Be sure 'tis treachery!”