University Press, 1998; and Grand Rapids, Michigan: Wm. B. Eerdmans, 1998) Pocket Dictionary of Philosophy of Religion and Apologetics (Downers Grove, Illinois:
Little Book of Life: A User's Manual (October 1, 2010) ISBN 978-1-57174-644-3 Conversations with God in a Nutshell: A Pocket Guide to the Dialogue (2014)