Lewis Vaughn is the author of numerous textbooks in philosophy, critical thinking, and ethics including The Power of Critical Thinking (2019); Concise Guide to Critical Thinking (2017); Philosophy Here and Now (2019); Living Philosophy: A Historical Introduction to Philosophical Ideas (2018); Doing Ethics: Moral Reasoning, Theory, and Contemporary Issues (2019); Beginning Ethics: An Introduction to Moral Philosophy (2015); Bioethics: Principles, Issues, and Cases (2017); and Writing Philosophy (2018).