In a series of thought-provoking and original essays, eighteen leading philosophers engage in head-to-head debates of nine of the most cutting edge topics in contemporary metaphysics.

• Explores the fundamental questions in contemporary metaphysics in a series of eighteen original essays - 16 of which are newly commissioned for this volume
• Features an introductory essay by the editors on the nature of metaphysics to prepare the reader for ongoing discussions
• Offers readers the unique opportunity to observe leading philosophers engage in head-to-head debate on cutting-edge metaphysical topics
• Provides valuable insights into the flourishing field of contemporary metaphysics

Theodore Sider is Professor of Philosophy at New York University. He is the author of Four-Dimensionalism and (with Earl Conee) Riddles of Existence.

John Hawthorne is Waynflete Professor of Metaphysical Philosophy at the University of Oxford. He is the author of Metaphysical Essays, and has published widely in metaphysics, epistemology, philosophy of language, and Leibniz studies.

Dean W. Zimmerman is Associate Professor in the Philosophy department at Rutgers University. He is editor of Oxford Studies in Metaphysics, and author of numerous articles in metaphysics and philosophy of religion.