A Passion for Wisdom: A Very Brief History of Philosophy

Beyond Good and Evil

Think: A Compelling Introduction to Philosophy

Introducing the Existentialists: Imaginary Interviews with Sartre, Heidegger, and Camus

History of Western Philosophy

A Better Way to Think About Business: How Personal Integrity Leads to Corporate Success

Thus Spoke Zarathustra

Living with Nietzsche: What the Great "Immoralist" Has to Teach Us

In the Spirit of Hegel

Grounding for the Metaphysics of Morals: with On a Supposed Right to Lie because of Philanthropic Concerns, Edition 3

The Music between Us: Is Music a Universal Language?

Twilight of Idols and Anti-Christ

The Joy of Philosophy: Thinking Thin versus the Passionate Life

The Modern Mind: An Intellectual History of the 20th Century

True to Our Feelings: What Our Emotions Are Really Telling Us

The Portable Nietzsche

Comic Relief: Nietzsche's Gay Science

Either/Or: A Fragment of Life

Not Passion's Slave: Emotions and Choice

The Sickness Unto Death: A Christian Psychological Exposition of Edification and Awakening by Anti-Climacus