Rating: - Complete List of Books Included
There's also a Listmania! List of books included, so you can see how much the books would cost if purchased individually (by the way, at the time of this writing, the total costs of the books are $400).

St. Thomas Aquinas
Summa Theologica Part I
Summa Theologica Part I-II
Summa Theologica Part II-II
Summa Theologica Part III

St. Augustine
The City of God
Confessions
On Christian Doctrine

St. Teresa of Avila
The Interior Castle, or the Mansions
The Life of St. Teresa of Jesus
The Way of Perfection

Third Council of Baltimore
The Baltimore Catechism No. 1
The Baltimore Catechism No. 2
The Baltimore Catechism No. 3
The Baltimore Catechism No. 4

Hilaire Belloc
The Free Press

Monsignior Robert Hugh Benson
Lourdes

Gilbert K. Chesterton
The Ball and the Cross
Eugenics and Other Evils
Heretics
Manalive
The Man Who Was Thursday
Orthodoxy
What's Wrong with the World

Rev. M. J. Frings
The Excellence of the Rosary

Thomas a Kempis
The Imitation of Christ

Joyce Kilmer
Main Street and Other Poems
Trees and Other Poems

St. Alphonsus de Liguori
Uniformity with God's Will

St. Therese of Lisieux
Story of a Soul

St. Ignatius of Loyola
The Spiritual Exercises of St. Ignatius of Loyola

St. Thomas More
Utopia

John Henry Newman
Apologia Pro Vita Sua

Blaise Pascal
Pensees

St. Francis de Sales
Introduction to the Devout Life

Brother Ugolino
The Little Flowers of Saint Francis