Seven Deadly Sins: A Thomistic Guide to Vanquishing Vice and Sin

The Return of the Prodigal Son: A Story of Homecoming

Catholic Guide to Loneliness: How Science and Faith Can Help Us Understand It, Grow from It, and Conquer It

Catholic Prayers

How to Think Like Aquinas: The Sure Way to Perfect Your Mental Powers

Reasons to Believe: How to Understand, Explain, and Defend the Catholic Faith

The Porch and the Cross: Ancient Stoic Wisdom for Modern Christian Living

In God's Name

Three Irish Saints: A Guide to Finding Your Spiritual Style

The Case for Jesus: The Biblical and Historical Evidence for Christ

St. Albert the Great: Champion of Faith and Reason

Interview with an Exorcist: An Insider's Look at the Devil, Demonic Possession, and the Path to Deliverance

Seven Gifts of the Holy Spirit

The Practice of the Presence of God

Fit for Eternal Life: A Christian Approach to Working Out, Eating Right, and Building the Virtues for Fitness in Your Soul

33 Days to Morning Glory: A Do-It-Yourself Retreat In Preparation for Marian Consecration

Manual for Eucharistic Adoration

True Devotion to Mary: With Preparation for Total Consecration

Left to Tell: Discovering God Amidst the Rwandan Holocaust

Hail, Holy Queen