The Doors of Perception: And Heaven and Hell

Sophie's World

The Perennial Philosophy: An Interpretation of the Great Mystics, East and West

Zero: The Biography of a Dangerous Idea

Brave New World Revisited

Story of Philosophy

Selected Poems

Philosophy 101: From Plato and Socrates to Ethics and Metaphysics, an Essential Primer on the History of Thought

Psychedelics: Vintage Minis

Think: A Compelling Introduction to Philosophy

Jesting Pilate: An Intellectual Holiday

The Lessons of History

Grey Eminence

Straw Dogs: Thoughts On Humans And Other Animals

Philosophical Investigations: Edition 4

The Divine Within: Selected Writings on Enlightenment

The Cartoon Introduction to Philosophy

Classical Philosophy: A history of philosophy without any gaps, Volume 1

Schopenhauerp: A Very Short Introduction