Think: A Compelling Introduction to Philosophy

Beyond Good and Evil

The Oxford Dictionary of Philosophy: Edition 3

Thus Spoke Zarathustra

Being Good: A Short Introduction to Ethics

The Faith: What Christians Believe, Why They Believe It, and Why It Matters

Truth: A Guide for the Perplexed

Philosophical Investigations: Edition 4

Practical Tortoise Raising: and other philosophical essays

The Open Society and Its Enemies

Essays in Quasi-Realism

Either/Or: A Fragment of Life

Mirror, Mirror: The Uses and Abuses of Self-Love

Truth: Ideas in Profile

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

The Big Questions: Philosophy

The Art of Travel