Yazar Hakkında;Levvis Vaughn şu kitapların yazarı veya ortak yazarıdır: The Power of Critical Thinking: Effective Reasoning About Ordinary and Extraordinary Claims (OUR2005); How to Think About Weird Things: Critical Thinking for a New Age, Fourth Edition (2005); The Case for Humanism: An Introduction (2003); Doing Philosophy: An Introduction Through Thought Experiments. Second Edition (2002); Concise Guide to Critical Thinking (OUfi 2017); Living Philosophy, Second Edition JOUR 2017); The Moral Life, Sixth Edition (OUR 2017) and Bioethics. Third Edition (0UP.2Ü16). Yazar. Free lnquiry dergisinin önceki editörü ve Philo ve The Scientific Review of Alternative Medicine dergilerinin önceki yönetmen editörüdür.