There have been many literary and dramatic works based on Gaston Leroux's 1910 novel The Phantom of the Opera, ranging from stage musicals to films to children's books. Some well known stage and screen adaptations of the novel are the 1925 film and the Andrew Lloyd Webber musical ; Susan Kay's 1990 Phantom is one of the best known novels and includes in-depth study of the title character's life and experiences.