Groundwork of the Metaphysics of Morals

The Courage to Be Disliked: How to Free Yourself, Change Your Life, and Achieve Real Happiness

The Things You Can See Only When You Slow Down: How to be Calm in a Busy World

The Critique of Pure Reason, Volume 2

Human, All Too Human: A Book for Free Spirits

Kant's Foundations of Ethics

The Power of Your Subconscious Mind: Updated

The World as Will and Idea: Volume 2

The Story Of Aristotle's Philosophy (Unabridged)

Foundations of Ethics

The Courage to Be Happy: Discover the Power of Positive Psychology and Choose Happiness Every Day

Dreams of a Spirit-Seer (Unabridged): optional

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

Critique of Practical Reason

On the Shortness of Life, On the Happy Life, and Other Essays: Essays, Volume 1

The Critique of Practical Reason

Finite and Infinite Games

Perpetual Peace: A Philosophical Essay

Lives of the Stoics: The Art of Living from Zeno to Marcus Aurelius