Tolkien tells of Arthur's expedition overseas into distant heathen lands, Guinevere's flight from Camelot, the great sea battle on Arthur's return to Britain, the traitor Mordred and the tormented doubts of Lancelot in his French castle. Though the poem was abandoned by Tolkien while still unfinished, his son Christoper here presents the text of the poem along with manuscript pages that reveal a great quantity of drafting and experimentation in verse....