In this book, Michael Huemer and Bryan Frances debate whether - and how - we can gain knowledge of the world outside of our own minds. Starting with opening statements, the debate moves through two rounds of replies.

Michael Huemer is Professor of Philosophy at the University of Colorado. He is the author of numerous academic articles in epistemology, ethics, political philosophy, and metaphysics, as well as several books, including Skepticism and the Veil of Perception, The Problem of Political Authority, and Understanding Knowledge.

Bryan Frances has taught and conducted research in universities in several countries. He has published books and articles in epistemology, metaphysics, the philosophy of language, the philosophy of mind, and the philosophy of religion. His books include The Epistemic Consequences of Paradox, An Agnostic Defends God, Scepticism Comes Alive, and Disagreement.

Foreword 1. The Illusion of Knowledge 2. The Reality of Knowledge 3. The Skeptic's Response to the Realist 4. The Realist's Response to the Skeptic 5. When Will It Ever End?: Reply to Huemer's Response 6. It Ends Here: Response to Francis's Reply