Born Samuel Goldstein and also known as Harry Relis, Guy Endore was a novelist and screenwriter. During his career he produced a wide array of novels, screenplays, and pamphlets, both published and unpublished. A cult favorite of fans of horror, he is best known for his novel The Werewolf of Paris which occupies a significant position in werewolf literature, much in the same way that Dracula does for fans of vampires.