This article is from the Arthurian Booklist FAQ, by Cindy Tittle Moore firstname.lastname@example.org with numerous contributions by others.
Newell, William Wells, King Arthur and the table round : tales chiefly
after the Old French of Crestien of Troyes : with an account of
Arthurian romance, and notes (1897).
Newman, Sharan, Guinevere, Guinevere, The Chessboard Queen, and
Guinevere Evermore, (Bantam, 1981. ISBN: 0-553-20354-1). A haunting
fairy-tale rendition of Guinevere's childhood, marriage to Arthur, and
participation in the events of Camelot. GtCQ was released in hardcover
and then went out of print. Strangely, it does not appear to have been
available in paper though the other two are currently available in
Norman, Elizabeth. Silver, Jewels, and Jade. A fictionalized account
of Elaine's (Igraine) life before Uther.
Norton, Andre [Alice Mary Norton]. Here Abide Monsters. New York:
Norton, Andre, Merlin's Mirror (Daw Books, 1975.) Merlin is a half-
breed: human and space alien, and the war between light and darkness
is recast into a war between two space going races. The premise is
bizarre, but Norton makes it work well.
Norton, Andre. Steel Magic. Cleveland: Collins-World, 1965; New York:
Nye, Robert. Merlin, 1975? Humorous and baudy account of the life of
Percy, Walker. Lancelot. New York: Avon, 1978 (by arrangement with
Farrar, Straus and Giroux, the first publisher).
Peters, Elizabeth [Barbara Gross Mertz]. The Camelot Caper. New York:
Tom Doherty Associates: 1988 (First published: New York: Meredith
Phelan, Laurel. Guinevere (Pocket Books, Simon & Schuster, ISBN
0-671-52611-1). Written by Guinevere's "reincarnation", a well told
Philip, Neil. The tale of Sir Gawain (illustrated by Charles Keeping.
New York : Philomel Books, 1987).
Phillifent, John T. Life with Lancelot. New York: Ace Books, 1973.
Bound with William Barton, Hunting on Kunderer, as an Ace Double.
Powers, Tim, The Drawing of the Dark. Ambrosius and the Fisher-King.
Powers, Tim. Last Call. New York: Avon Books, 1993 (Published in
hardcover by William Morrow and Co., Copyright Tim Powers, 1992).
Powys, John Cowper. A Glastonbury Romance. New York: Simon and
Schuster, 1932; London: John Lane, The Bodley Head, 1933.
Price, Anthony. Our Man in Camelot. New York: Warner Books, 1988.
First published: London: Victor Gollancz, 1975. Espionage thriller,
Price, Robert, The Last Pendragon (Walker and Co. NY 1991) Telling of
Bedwyr, last of the Knights after the Fall, and Irion, son of Mordred,
and the Saxon threat to what's left of old Britain. Arthur himself
appears only in the prolog. "Tactics" oriented.
Pyle, Howard, The story of King Arthur and his knights (New York : C.
Scribner's Sons, 1904, c1903). Classic. Also: The Story of the
Champions of the Round Table (1905), The Story of Sir Lancelot and his
Companions (1907), The Story of the Grail and the Passing of Arthur
(1910). All were originally published by Scribners.
Riordan, James. Tales of King Arthur (Hamlyn, London, 1982). ISBN
0600-35352-4. An illustrated version of several classic tales.
Robbins, Ruth. Taliesin and King Arthur. Berkeley: Parnassus Press,
Robert, Dorothy James. The Enchanted Cup. New York: Apple-
Rubin, Michael. "Days of Legend." Song. 4 Feb. 1987, rev. 3 Apr. 1993.