The Human Animal: Personal Identity Without Psychology. Oxford University Press 1997; ebook Oxford Scholarship Online 2003. Named ‘an outstanding academic book’ by Choice. Italian translation, L’animale umano: Identità e continuità biologica, McGraw Hill 1999. Author-meets-critics symposium with comments by Lynne Rudder Baker, Ned Markosian, and Dean Zimmerman, Abstracta Special issue 1, 2008.
What Are We? A Study in Personal Ontology. Oxford University Press 2007; e-book Oxford Scholarship Online 2008. French translation, Que somme-nous? Sur la nature metaphysique des personnes, Les Éditions d’Ithaque 2017.
Do We Have a Soul? A Debate (with Aaron Segal). Routledge, published August 2023 (part of the series 'Little Debates About Big Questions').