The first book-length study of Aquinas's teaching on just war, its antecedents, and its reception by subsequent thinkers.

This book rewrites the history of Christian peace ethics. Christian reflection on reducing violence or overcoming war has roots in ancient Roman philosophy and

Peace is a universal ideal, but its political life is a great paradox: "peace" is the opposite of war, but it also enables war. If peace is the elimination of w

Catholic pacifists blame the just war tradition of their Church. That tradition, they say, can be invoked to justify any war, and so it must be jettisoned. This