Did You Know John Steinbeck Wrote an Unpublished Werewolf Novel? Years before he found award-winning success, John Steinbeck wrote a werewolf novel called MURDER AT FULL MOON that has never been published! Reclaiming John Steinbeck: Writing for the Future of Humanity. The book reveals that, years before Steinbeck became a famous writer best known for his novels about life during the Great Depression, he wrote a werewolf novel called Murder at Full Moon (which the author wrote under a pen name: Peter Pym). Unable to find publication, Murder at Full Moon has been archived at the Harry Ransom Center at the University of Texas in Austin.