 I and Thou by Martin Buber |  The Courage to Be by Paul Tillich |  A Manual for Creating Atheists by Peter Boghossian |  The Book of Mirdad by Mikhail Naimy |  Zen Mind, Beginner's Mind by Shunryu Suzuki |  The Book by Alan Watts |  The Portable Nietzsche by Friedrich Nietzsche |  The Perennial Philosophy by Aldous Huxley |  Prometheus Rising by Robert Anton Wilson |  Sex, Ecology, Spirituality by Ken Wilber |  Breaking the Spell by Daniel C. Dennett |  Critique of Religion and Philosophy by Walter Arnold Kaufmann |  Between Man and Man by Martin Buber |  On Evil by Terry Eagleton |  Five Proofs of the Existence of God by Edward Feser |  The Last Superstition by Edward Feser |  Philosophy and Religion in the West by Phillip Cary |  The Tao Is Silent by Raymond Smullyan |  Marriage and Morals by Bertrand Russell |  The Christian Philosophy of St. Thomas Aquinas by Etienne Gilson |