Ratzinger's Faith: The Theology of Pope Benedict XVI

Knowing God

Culture and the Thomist Tradition: After Vatican II

Beyond Form Criticism: Essays in Old Testament Literary Criticism

Beyond Kant and Nietzsche: The Munich Defence of Christian Humanism

Understanding the Iglesia Ni Cristo: What They Really Believe and How They Can Be Reached

Remembering George Cardinal Pell: Recollections of a Great Man of the Church

The Doctrines That Divide: A Fresh Look at the Historic Doctrines That Separate Christians

Benedict XVI: A Guide for the Perplexed

Lady in Waiting: Becoming God's Best While Waiting for Mr. Right

Unconformed to the Age: Essays in Catholic Ecclesiology

The Journey: Living by Faith in an Uncertain World

Catholic Theology

Let's Do Theology: Resources for Contextual Theology; completely updated and revised, Edition 2

Five Proofs of the Existence of God

Why I Believe: Straight Answers to Honest Questions about God, the Bible, and Christianity

Scripture Alone: Exploring the Bible's Accuracy, Authority and Authenticity

Symbols of Church and Kingdom: A Study in Early Syriac Tradition

An Introduction to Catholicism

100 Answers to the Most Uncommon 100 Questions