Reason and Religious Belief: An Introduction to the Philosophy of Religion, 3rd edition (New York: Oxford Press, 2003).
“Theodicy: A Comparative Analysis” in Semper Reformandum: Studies in Honour of Clark Pinnock, eds., Stanley Porter and Anthony Cross (Crumbia, UK: Paternoster Press, 2003)
Religious Diversity: A Philosophical Assessment (Ashgate Press, 2002) ISBN978-0-7546-1521-7