Knowledge, Nature, and Norms: An Introduction to Philosophy
Mark Timmons is Professor of Philosophy at the University of Arizona. Dr. Timmons has published extensively in the fields of ethics and epistemology. He is also one of the editors of KNOWLEDGE, NATURE AND NORMS, An Introduction to Philosophy.David Shoemaker is Associate Professor in the Department of Philosophy and Murphy Institute at Tulane University and has published several articles on personal identity, ethics, and moral responsibility. He is the editor for Oxford Studies in Agency and Responsibility.