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