A Return to Love: Reflections on the Principles of A Course in Miracles by Marianne Williamson. First Edition, hardcover, 336 pages, ISBN: 9780060927486. Very rare, valuable First Edition. Back by popular demand - and newly updated by the author - the mega-bestselling spiritual guide in which Marianne Williamson shares. An excellent collectible copy of this great work of literature by Marianne Williamson.