Summa Theologica: Volume 3, Part 2 of Part 2 (Secunda Secundae)

Summa Theologica: Volume 1, Part 1 (Prima Pars)

The Prodigal God: Recovering the heart of the Christian faith

Summa Theologica: Volume 4, Part 3 (Tertia Pars)

Summa Theologica: Volume 5, Supplement to Part 3

A Divine Revelation of Hell

Heaven and Hell: A History of the Afterlife

Who Wrote the Bible?

A Divine Revelation of Heaven

The Essential Means of Grace

The Principal Works of St. Jerome

Confessions (Oxford World's Classics)

The Full Blessing of Pentecost

The Obedience of a Christian Man (Unabridged): optional

The Forgotten Trinity: Recovering the Heart of Christian Belief

Ten Indictments Against the Modern Church

The Attributes of God

Counterfeit Gods: When the Empty Promises of Love, Money and Power Let You Down

The Life of Mary as Seen by the Mystics

Angels and Saints: A Biblical Guide to Friendship with God's Holy Ones