Kant's Foundations of Ethics

Thus Spoke Zarathustra

Critique of Pure Reason: Critique of Pure Reason – Audiobook

Philosophical Investigations

Fundamental Principles of the Metaphysic of Moral - Immanuel Kant

The Open Society and Its Enemies: New One-Volume Edition

How to Live a Good Life: A Guide to Choosing Your Personal Philosophy

The Critique of Pure Reason, Volume 2

Beyond Good and Evil: Penguin Classics

Critique of Judgement

The Critique of Practical Reason

Philosophy: Who Needs It

Prolegomena to Any Future Metaphysics (Unabridged): optional

Utilitarianism/On Liberty

The World as Will and Idea: Volume 2

On the Genealogy of Morality

Groundwork of the Metaphysics of Morals

Hegel: A Very Short Introduction

Perpetual Peace: A Philosophical Essay: Demanding Audio Book

A Brief History of Everything