Featuring a preface by C. S. Lewis biographer and editor Walter Hooper, Richard Pratt's As One Devil to Another takes up where the legendary Narnia author's Screwtape Letters left off. In this gripping work, senior devil Slashreap corresponds with his protege Scardagger. As Satan's underlings exchange dark musings, light is shed on human failings, the nature of evil, and God's divine intent.