 A prolific writer with wide-ranging philosophical and theological interests, he has written books on aesthetics, epistemology, political philosophy, philosophy of religion, metaphysics, and philosophy of education.In "Faith and Rationality," Wolterstorff, Alvin Plantinga, and William Alston developed and expanded upon a view of religious epistemology that has come to be known as Reformed epistemology.He also helped to establish the journal "Faith and Philosophy" and the Society of Christian Philosophers.