The Critique of Pure Reason, Volume 2

Beyond Good and Evil

Critique of Practical Reason

Being and Nothingness

On Human Nature

Groundwork of the Metaphysics of Morals

Critical Thinking and Informal Logic

Kant's Foundations of Ethics

Critique of Judgement

On Freedom: Four Songs of Care and Constraint

Foundations of Ethics

Blake's Humanism

Dreams of a Spirit-Seer (Unabridged): optional

The Dawn of Day: Thoughts on the Prejudices of Morality

The World as Will and Idea: Volume 2

Critical Thinking: An Audio Guide

Prolegomena to Any Future Metaphysics (Unabridged): optional

Classical American Pragmatism