Clinical counselling in pastoral settings
The profits of religion
The psyche as sacrament : a comparative study of C. G. Jung and Paul Tillich
Jesus God, man or myth? : an examination of the evidence
God and the universe
Islam the straight path
The question of God : C. S. Lewis and Sigmund Freud debate God, love, sex, and the meaning of life
No sense of obligation : science and religion in an impersonal universe
After God : the future of religion
Islamic world in decline : from the treaty of Karlowitz to the disintegration of the Ottoman Empire