Fully extended and revised, "A Companion to Metaphysics, Second Edition" includes a section of detailed review essays from renowned metaphysicians, and the addition of more than 30 new encyclopedic entries, taking the number of entries to over 300. This work: includes revisions to existing encyclopedic entries; features more than 30 all-new 'A to Z' entries; offers a section of in-depth, essays from renowned metaphysicians; and, provides the most complete and up-to-date reference guide for students and professionals alike.