Philosophy

Bernard Shaw

Man and Superman: A Comedy and a Philosophy

Plato

Dialogues of Plato (Apology, Crito, Phaedo, Symposium, Republic)

Ayn Rand

For the New Intellectual: The Philosophy of Ayn Rand

Kahlil Gibran

The Prophet

Tenzin Gyatso, His Holiness the Fourteenth Dalai Lama

The Universe in a Single Atom: The Convergence of Science and Spirituality

Boethius

The Consolation of Philosophy

Richard Dawkins

The God Delusion

David Hume

An Enquiry Concerning Human Understanding

Will Durant

The Story of Philosophy: The Lives and Opinions of the World's Greatest Philosophers

Ernest Becker

The Denial of Death

Stephen Jay Gould

Eight Little Piggies: Reflections in Natural History

Karen Armstrong

Buddha