On the Nature of Philosophy and Other Philosophical Essays

Think: A Compelling Introduction to Philosophy

Story of Philosophy

Philosophy 101: From Plato and Socrates to Ethics and Metaphysics, an Essential Primer on the History of Thought

The Logic of Commands

Sophie's World

Philosophical Clarifications: Studies Illustrating the Methodology of Philosophical Elucidation

Process Metaphysics: An Introduction to Process Philosophy

Straw Dogs: Thoughts On Humans And Other Animals

Reason and Religion

The Lessons of History

Philosophy Examined: Metaphilosophy in Pragmatic Perspective

Zero: The Biography of a Dangerous Idea

Inquiry Dynamics

Philosophical Progress: And Other Philosophical Studies

Classical Philosophy: A history of philosophy without any gaps, Volume 1

Autobiography

The Cartoon Introduction to Philosophy