Critique of Practical Reason

Metaphysics of Morals

Kant's Three Critiques: The Critique of Pure Reason, The Critique of Practical Reason & The Critique of Judgment: The Base Plan for Transcendental Philosophy, The Theory of Moral Reasoning and The Critiques of Aesthetic and Teleological Judgment

Tuesdays With Morrie: The most uplifting book ever written about the importance of human connection

Observations on the Sense of the Beautiful and the Sublime

Groundwork for the Metaphysics of Morals

Thus Spoke Zarathustra

Universal Natural History and Theory of Heaven

Kant’s Foundations of Ethics

Many Lives, Many Masters: The True Story of a Prominent Psychiatrist, His Young Patient, and the Past-Life Therapy That Changed Both Their Lives

The Dispute of the Faculties

Critique of Judgment

Kant's Introduction to Logic and His Essay on the Mistaken Subtilty of the Four Figures

The Science of Mind: The Complete Edition

Metaphysical Foundations of Natural Science

Kant's Prolegomena to Any Future Metaphysics: Exploring the Boundaries of Human Knowledge in Kant's Critical Philosophy

The Minor works of Kant

Until the End of Time: Mind, Matter, and Our Search for Meaning in an Evolving Universe

On Perpetual Peace: A Philosophical Draft