Books
Authored
6. The Metaphysics of Good and Evil (London: Routledge, 2020) ISBN 9781032239415 (p/b); 9780367408640 (h/b); 9780367809577 (ebook)
5. Opting Out: Conscience and Cooperation in a Pluralistic Society (London: Institute of Economic Affairs, 2018). ISBN 9780255367615. Open access here.
4. Real Essentialism (London: Routledge, 2007) ISBN-10: 0415323649; ISBN-13: 978-0415323642 (h/b); 978-0-415-87212-6 (p/b); Amazon link; Publisher link
3. Applied Ethics: A Non-Consequentialist Approach (Oxford: Blackwell, 2000; 248pp.) ISBN 0 631 21905 6 (p/b; also available in h/b, 0 631 21904 8) Amazon link; Publisher link; Portuguese translation, 2008.
2. Moral Theory: A Non-Consequentialist Approach (Oxford: Blackwell, 2000; 197pp.) ISBN 0 631 21903 X (p/b; also available in h/b, 0 631 21902 1) Amazon link; Publisher link; Portuguese translation, 2008.
1. The Metaphysics of Identity over Time (London/New York: Macmillan/St Martin's Press, 1993; 228 pp.) ISBN 0 333 59351 0 (UK); 0 312 10208 9 (USA) (h/b) Amazon link; Publisher link
Edited
5. Classifying Reality (Oxford: Wiley-Blackwell, 2013; 136pp.) ISBN 978-1-118-50835-0 (p/b) Amazon link; Publisher link
4. The Old New Logic: Essays on the Philosophy of Fred Sommers (Cambridge, MA: MIT Press, 2005; 242pp.) ISBN 0-262-15113-8 (h/b), 0-262-65106-8 (p/b) Amazon link; Publisher link
3. (ed. with T. Chappell) Human Values: New Essays on Ethics and Natural Law (London: Palgrave Macmillan, 2004; 272pp; rev. ed. p/back 2007) ISBN-13: 978 1 4039 1810 9 (h/b); 978 0 230 57375 8 (p/b) Amazon link; Publisher link
2. Form and Matter: Themes in Contemporary Metaphysics (Oxford: Blackwell, 1999; 119 pp.) (Originally published as special issue of the journal Ratio, vol. 11, 1998.) ISBN 0 631 21389 9 (p/b) Amazon link; Publisher link
1. (ed. with Jacqueline A. Laing) Human Lives: Critical Essays on Consequentialist Bioethics (London: Palgrave Macmillan/New York: St Martin's Press, 1997; 244 pp.) ISBN 0 333 62980 9 (UK); 0 312 16099 2 (USA) (h/b) Amazon link; Publisher link