Discovering God : The Origins of the Great Religions and the Evolution of Belief.
HarperOne, 2007. Early printing. Hardcover, in dust jacket.
HarperOne, 2007. Early printing. Hardcover, in dust jacket.
New York: Prometheus Books, 1998. Early printing. Hardcover, in dust jacket.
Hodder and Stoughton, 1971. Early printing. Hardcover, in dust jacket.