An Introduction to Catholicism

A History of Religious Ideas, Volume 2: From Gautama Buddha to the Triumph of Christianity, Volume 2

Knowing God

Carmelite Prayer: A Tradition for the 21st Century

Marks of His Wounds: Gender Politics and Bodily Resurrection

A Brief History of Saints

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

The Catholic Faith: An Introduction

The Catholic Heritage: Martyrs, Ascetics, Pilgrims, Warriors, Mystics, Theologians, Artists, Humanists, Activists, Outsiders, and Saints

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

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

Spirit Guides & Angel Guardians: Contact Your Invisible Helpers

The Journey: Living by Faith in an Uncertain World

Jesus Among Secular Gods: The Countercultural Claims of Christ

Five Proofs of the Existence of God

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

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

Ecumenism Today: The Universal Church in the 21st Century

Freedom: A Disease Without Cure

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