Forty Reasons I Am a Catholic

Catholics and Protestants: What Can We Learn from Each Other?

The Best Things in Life: A Contemporary Socrates Looks at Power, Pleasure, Truth the Good Life

The Greatest Philosopher Who Ever Lived

Symbol or Substance?: A Dialogue on the Eucharist with C. S. Lewis, Billy Graham and J. R. R. Tolkien

Philosophy

A Refutation of Moral Relativism: Interviews with an Absolutist

Heaven, the Heart's Deepest Longing

The God Who Loves You: Love Divine, All Loves Excelling

Your Questions, God's Answers

Fundamentals of the Faith: Essays in Christian Apologetics

Jacob's Ladder: Ten Steps to Truth

Wisdom from the Psalms

Because God Is Real: Sixteen Questions, One Answer

Between One Faith and Another: Engaging Conversations on the World's Great Religions

Why Does Everything Come in Threes?: A Short Book about Everything

Letters to an Atheist: Wrestling with Faith

Before I Go: Letters to Our Children about What Really Matters

Yes or No?: Straight Answers to Tough Questions About Christianity

I Burned for Your Peace: Augustine's Confessions Unpacked