[en] Practical Theology Ignatius Press
[en] Letters to an Atheist Rowman & Littlefield Publishers
[en] You Can Understand the Bible · A Practical Guide to Each Book in the Bible Ignatius Press
[en] The Philosophy of Tolkien Ignatius Press
[en] Three Philosophies Of Life Ignatius Press
[de] Sokrates trifft Jesus Media Maria Verlag
[en] Between Heaven and Hell IVP Books
[en] I Burned for Your Peace · Augustine's Confessions Unpacked Ignatius Press
[en] Between One Faith and Another IVP Books
[en] A Shorter Summa Ignatius Press
[pt] Sócrates Encontra Marx Vide Editorial
[pt] Sócrates encontra Descartes Vide Editorial
[pt] Sócrates e Jesus - O Debate Vida Acadêmica
[en] A Summa of the Summa Ignatius Press