The Three Impostors; or, The Transmutations is an episodic horror novel by British writer Arthur Machen, first published in 1895 in The Bodley Head's Keynote Series. It was revived in paperback by Ballantine Books as the forty-eighth volume of the Ballantine Adult Fantasy series in June 1972. The novel comprises several weird tales and culminates in a final denouement of deadly horror, connected with a secret society devoted to...