War and Self-Defense

Just and Unjust Warriors: The Moral and Legal Status of Soldiers

Beyond Good and Evil

The Ethics of War: Shared Problems in Different Traditions

Justice: What's the Right Thing to Do?

Preemption: Military Action and Moral Justification

The Righteous Mind: Why Good People are Divided by Politics and Religion

Exporting Good Governance: Temptations and Challenges in Canada’s Aid Program

Discourses and Selected Writings

The Moral Landscape: How Science Can Determine Human Values

Civilian Protective Agency in Violent Settings: A Comparative Perspective

Lying

The United Nations Security Council and War: The Evolution of Thought and Practice since 1945

Letters on Ethics

Oppenheim's International Law: United Nations

Philosophy of Science: Very Short Introduction: Edition 2

That All Shall Be Saved: Heaven, Hell, and Universal Salvation

Seneca's Letters from a Stoic

On Bullshit