Dialogues Concerning Natural Religion

The Art of Loving

An Enquiry Concerning the Principles of Morals

Inward

Selected Essays

The Courage to Be Disliked: The Japanese Phenomenon That Shows You How to Change Your Life and Achieve Real Happiness

The Natural History of Religion

Discourses and Selected Writings

Moral and Political Philosophy

Meditations

Thus Spoke Zarathustra

The Devil's Notebook

Earth Awakens: Prophecy 2012–2030

Leaves of Grass

The World As I See It

Who's in Charge?: Free Will and the Science of the Brain

Letters from a Stoic: Epistulae Morales Ad Lucilium

Stoicism: A Guide To Stoic Philosophy For Beginners; Learn How To Achieve Modern Life Happiness With Ancient Wisdom

Plato and a Platypus Walk Into a Bar: Understanding Philosophy Through Jokes