"A penetrating and original discussion of spatial unity, identity through time and related topics."--Philosophy and Phenomenological Research"The book as a whole tackles a cluster of central metaphysical issues in a consistently clear and careful manner. Moreover, Hirsch is pleasantly undogmatic and endeavors to give fair treatment to those views he eventually rejects. His arguments for his own conclusions are frequently all-the-more forceful for that."--International Studies in Philosophy"Hirsch's book is required reading for anyone with a serious interest in identity in particular and metaphysics in general. The book is tightly argued, clearly written, and filled with fascinating material."--The Philosophical Review"Careful and painstaking.The standard of argument is high and Hirsch has something interesting to say on every topic he discusses.

I believe that no one interested in its subject could read this book without profit."--The Philosophical Quarterly"Hirsch's book is marked by its clarity and carefulness of argumentation and its general sensibleness.It is a book that philosophers will want to consider for use in mid-level and advanced courses."--Review of Metaphysics"A penetrating and original discussion of spatial unity, identity through time and related topics."--Philosophy and Phenomenological Research"The book as a whole tackles a cluster of central metaphysical issues in a consistently clear and careful manner. Moreover, Hirsch is pleasantly undogmatic and endeavors to give fair treatment to those views he eventually rejects. His arguments for his own conclusions are frequently all-the-more forceful for that."--International Studies in Philosophy"Hirsch's book is required reading for anyone with a serious interest in identity in particular and metaphysics in general.

The book is tightly argued, clearly written, and filled with fascinating material."--The Philosophical Review"Careful and painstaking.The standard of argument is high and Hirsch has something interesting to say on every topic he discusses. I believe that no one interested in its subject could read this book without profit."--The Philosophical Quarterly"Hirsch's book is marked by its clarity and carefulness of argumentation and its general sensibleness.It is a book that philosophers will want to consider for use in mid-level and advanced courses."--Review of Metaphysics.