Natural Law and Practical Reason: A Thomist View of Moral Autonomy (Moral Philosophy and Moral Theology)

The Perspective of Morality: Philosophical Foundations of Thomistic Virtue Ethics

Strangers in a Strange Land: Living the Catholic Faith in a Post-Christian World

The Ethics of Procreation and the Defense of Human Life: Contraception, Artificial Fertilization, and Abortion

Moral Absolutes: Tradition, Revision, and Truth (Michael J. Mcgivney Lectures of the John Paul II Institute)

Nature as Reason: A Thomistic Theory of the Natural Law

Good and Evil Actions: A Journey through Saint Thomas Aquinas

Knowing the Natural Law: From Precepts and Inclinations to Deriving Oughts

Scholastic Metaphysics: A Contemporary Introduction (Editiones Scholasticae)

The Abuse of Casuistry: A History of Moral Reasoning