An Answer to the Question: 'What is Enlightenment?'

Beyond Good and Evil

Moral Law: Groundwork of the Metaphysics of Morals

Thus Spoke Zarathustra

To Perpetual Peace: A Philosophical Sketch

Think: A Compelling Introduction to Philosophy

Perpetual Peace and Other Essays

History of Western Philosophy

Philosophical Investigations: Edition 4

The Critique of Pure Reason

At The Existentialist Café: Freedom, Being, and Apricot Cocktails

IMMANUEL KANT Premium Collection: Complete Critiques, Philosophical Works and Essays (Including Kant's Inaugural Dissertation): Biography, The Critique of Pure Reason, The Critique of Practical Reason, The Critique of Judgment, Philosophy of Law, The Metaphysical Elements of Ethics, Perpetual Peace and more

Logic

The Art of Travel

The Three Critiques: The Critique of Pure Reason, Practical Reason and Judgment (Complete Edition): The Base Plan for Transcendental Philosophy, The Theory of Moral Reasoning and The Critiques of Aesthetic and Teleological Judgment

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

On the Supposed Right to Lie out of Human Love

Utilitarianism