Books

• One Hundred Philosophers (Barron's, Apple, ABC 2004; foreign-language editions, 2005)

Papers

• "Lycan on Lewis and Meinong" (Proceedings of the Aristotelian Society, XCIII, 2; 1993)
• "Other Times" (Australasian Journal of Philosophy, 73; 1995)
• "The Problem of Evil" (Philosophical Writings, 9; 1998)
• "Hereafter, in a Later World Than This" (Sorites, 10; 1999)
• "Parapsychology without the 'Para' (or the Psychology)" (Think, 3; 2003)
• "One Man's Meat Is Another Man's Person" (in Mind and Its Place in the World, edd Alexander Batthyany & Avshalom Elitzur; Ontos Verlag, 2006)
• "Petitionary Prayer" (Richmond Journal of Philosophy, 12; 2006)
• "The Ontological Argument" (Richmond Journal of Philosophy, 14; 2007)
• "No Plaything: Ethical Issues concerning Child-Pornography" (Ethical Theory and Moral Practice, 11:3; 2008)

Short pieces

• 'Against Tolerance' (Philosophy Now, 11; 1995)
• "R.M. Hare" (Encarta Encyclopaedia, 1998)
• "Mediaeval Philosophy" (Encarta Encyclopaedia, 1998)
• "Evil" (Encyclopaedia of Anthropology; SAGE Publications, 2006)
• "Gods" (Encyclopaedia of Anthropology; SAGE Publications, 2006)
• "Time" (Encyclopaedia of Anthropology; SAGE Publications, 2006)
• "God and Time" (Encyclopaedia of Time; SAGE Publications, 2008, forthcoming)
• "Evil and Time" (Encyclopaedia of Time; SAGE Publications, 2008, forthcoming)
• "Theodicy" (Encyclopaedia of Time; SAGE Publications, 2008, forthcoming)
• "Philosophy in the Modern World" (UNESCO Courier, 9; 2007)

Reviews

• African Philosophy: The Essential Readings, ed. Serequeberhan (Philosophical Books)
• Classical Indian Philosophy, J.N. Mohanty (Philosophy in Review/Comptes Rendus Philosophiques)
• Faith in Theory and Practice, edd Elizabeth S. Radcliffe and Carol J. White (Philosophical Books)
• Good Natured: The Origins of Right and Wrong in Humans and Other Animals, Frans de Waal (Human Nature Review)
• Metaphysics, Peter van Inwagen (International Journal of Philosophical Studies)
• The Problem of Pornography, Susan M. Easton (Philosophy Today)
• Readings in African Philosophy, ed. Safro Kwame (Canadian Philosophical Review)
• Scepticism: Inter-Disciplinary Approaches (Philosophical Books)
• The Uses of Philosophy, Mary Warnock (Mind)
• What Spacetime Explains, Graham Nerlich (Canadian Philosophical Review)