Lewis Vaughn is the author or coauthor of several books, including: Philosophy Here and Now (2013); Bioethics: Principles, Issues, and Cases, Second Edition (2013); Great Philosophical Arguments (2012); Classics of Philosophy (2011); Philosophy: The Quest for Truth, Eighth Edition (2012); How to Think About Weird Things: Critical Thinking for a New Age, Sixth Edition (2011); Doing Ethics: Moral Reasoning and Contemporary Issues, Third Edition (2013); Doing Philosophy: An Introduction Through Thought Experiments, Fourth Edition (2010); The Moral Life, Fourth Edition (2011); and Writing Philosophy: A Student's Guide to Writing Philosophy Essays (OUP, 2005).