This extensively revised and expanded edition of van Inwagen and Zimmerman?s popular collection of readings in metaphysics now features twenty-two additional selections, new sections on existence and reality, and an updated editorial commentary.Collects classic and contemporary readings in metaphysicsAnswers some of the most puzzling questions about our world and our place in itCovers an unparalleled range of topicsNow includes a new section on existence and reality, expanded discussions on many classic issues, and an updated editorial commentary