Apologetics 1

• A Biblical Defense of Catholicism  by Dave Armstrong (Author)
• And On This Rock: Witness Of One Land & Two Covenants by Stanley L. Jaki (Author)
• Answer Me This by Patrick Madrid (Author)
• Answering the New Atheism: Dismantling Dawkins' Case Against God Scott Hahn, Benjamin Wiker (Paperback - May 8, 2008)
• Any Friend of God's Is a Friend of Mine by Patrick Madrid (Author)
• Born Fundamentalist,​ Born Again Catholic by David B. Currie (Author)
• By What Authority?: An Evangelical Discovers Catholic Tradition by Mark P. Shea (Author)
• Catholic Doctrine in Scripture: A Guide to the Verses That Are Key to Affirming the Faith by Gregory Oatis (Author)
• Catholic for a Reason: Scripture and the Mystery of the Family of God
• Emmaus Road Publishing
• Catholic for a Reason II: Scripture and the Mystery of the Mother of God (Paperback - Jul 2000)

Apologetics 2

• Catholic for a Reason III: Scripture and the Mystery of the Mass (Paperback - Jun 2004)
• Catholic for a Reason IV: Scripture and the Mystery of Marriage and Family Life multiple (Paperback - Apr 16, 2007)
• Catholic Replies: Answers to over 800 of the most often asked questions about religious and moral issues by James J. Drummey (Author), Charles E. Rice (Foreword)
• Catholicism and Fundamentalism:​ The Attack on "Romanism" by "Bible Christians" by Karl Keating (Author)
• Controversies: High-Level Catholic Apologetics by Karl Keating (Author)
• Crossing the Tiber: Evangelical Protestants Discover the Historical Church by Stephen K. Ray (Author)
• Does the Bible Really Say That?: Discovering Catholic Teaching in Scripture by Patrick Madrid (Author)
• Early Christian Writings: The Apostolic Fathers (Penguin Classics) by Various (Author), et al.
• Did Adam and Eve Have Belly Buttons?: And 199 Other Questions from Catholic Teenagers Matthew J. Pinto (Paperback - Jan 2003)
• Evangelical Is Not Enough: Worship of God in Liturgy and Sacrament by Thomas Howard (Author)

Apologetics 3

• Faith of the Early Fathers: Three-Volume Set by William A. Jurgens (Author)
• Four Witnesses: The Early Church in Her Own Words by Rod Bennett (Author)
• Free from All Error: Authorship, Inerrancy, & Historicity of Scripture/10131​ by William G. Most (Author)
• Fundamentals of the Faith: Essays in Christian Apologetics by Peter Kreeft (Author)
• Jesus, Peter & the Keys: A Scriptural Handbook on the Papacy by Scott Butler (Author), et al.
• Keys of the Kingdom: A Tool's Witness to Truth by Stanley L. Jaki (Author)
• Lead, Kindly Light: My Journey To Rome by Thomas Howard (Author)
• Mary and the Fathers of the Church: The Blessed Virgin Mary in Patristic Thought by Luigi Gambero (Author), Thomas Buffer (Translator)
• More Biblical Evidence for Catholicism: Companion to a Biblical Defense of Catholicism by Dave Armstrong (Author), Scott Hahn (Author)
• Not by Bread Alone by Robert A. Sungenis (Author)

Apologetics 4

• Not by Faith Alone: A Biblical Study of the Catholic Doctrine of Justification by Robert A. Sungenis (Author)
• Not by Scripture Alone: A Catholic Critique of the Protestant Doctrine of Sola Scriptura by Robert A. Sungenis (editor) (Author)
• Nuts & Bolts: A Practical Guide for Explaining and Defending the Catholic Faith by Tim Staples (Author)
• On Being Catholic by Thomas Howard (Author)
• Pope Fiction: Answers to 30 Myths and Misconceptions About the Papacy by Patrick Madrid (Author)
• Radio Replies: Three Volume Set by Leslie Rumble (Author), et al.
• Rapture: The End-Times Error That Leaves the Bible Behind by David B. Currie (Author)
• Reasons to Believe: How to Understand, Explain, and Defend the Catholic Faith Doubleday Religion
• Refuting the Attack on Mary: A Defense of Marian Doctrine...A Doctrine by Father Mateo (Author), Claudine Guergian (Illustrator)
• Rome Sweet Home: Our Journey to Catholicism Scott Hahn, Kimberly Hahn (Paperback - Aug 1993)

Apologetics 5

• Scripture Matters: Essays on Reading the Bible from the Heart of the Church by Scott Hahn (Author)
• Surprised by Truth: 11 Converts Give the Biblical and Historical Reasons for Becoming Catholic by Patrick Madrid (editor) (Editor), Foreword by Scott Hahn (Author)
• The Apocalypse of St. John (The Catholic Apologetics Study Bible, Volume II) by Robert A. Sungenis (Author)
• The Biblical Basis For The Catholic Faith by John Salza (Author)
• The Catholic Church and the Bible by Peter M. J. Stravinskas (Author)
• The Catholic Verses: 95 Bible Passages That Confound Protestants by Dave Armstrong (Author)
• The Fathers of the Church, Expanded Edition by Mike Aquilina (Author)
• The Lamb's Supper: The Mass as Heaven on Earth by Scott Hahn (Author)
• The Mass of the Early Christians by Mike Aquilina (Author)
• The Pope, the Council, and the Mass, Revised Edition by James Likoudis and Kenneth D. Whitehead (Author)

Apologetics 6

• The Rapture Trap: A Catholic Response to "End Times" Fever by Paul Thigpen (Author)
• The Salvation Controversy by James Akin (Author), Regis Martin (Foreword)
• This Is My Body: An Evangelical Discovers The Real Presence by Mark P. Shea (Author)
• Upon This Rock: St. Peter and the Primacy of Rome in Scripture and the Early Church (Modern Apologetics Library) Stephen K. Ray (Paperback - Mar 1999)
• What Catholics Really Believe-Setting​ the Record Straight: 52 Answers to Common Misconceptions About the Catholic Faith by Karl Keating (Author)
• Where Is That In the Bible? by Patrick Madrid (Author)
• Why Catholic Bibles Are Bigger: The Untold Story of the Lost Books of the Protestant Bible Gary G. Michuta (Paperback)
• Why Is That in Tradition? (T10) by Patrick Madrid (Author)
• Will Catholics Be Left Behind: A Critique of the Rapture and Today's Prophecy Preachers (Modern Apologetics Library) by Carl E. Olson (Author)
• Where we Got the Bible by Rev. Henry Graham 

Apologetics 7

• Catholics and the New age by Father Mitch Pacwa
• Christ in His Fullness by Bruce Sullivan
• Heretics by G.K. Chesterton
• No Price too High by Alex Jones
• One, Holy, Catholic, and Apostolic by Whitehead
• Orthodoxy by G.K. Chesterton
• Socrates Meets Jesus by Peter Kreeft
• The Catholic Controversies by St Francis de Sales
• The Everlasting Man by G.K. Chesterton
• The Great Heresies by Hilaire Belloc 

C.S. Lewis

• A Grief Observed, C. S. Lewis
• Mere Christianity, C. S. Lewis
• Surprised by Joy: The Shape of My Early Life by C.S. Lewis (Author)
• The Abolition of Man by C. S. Lewis (Author)
• The Four Loves (The C.) by C. S. Lewis (Author)
• The Great Divorce, C. S. Lewis
• Miracles by C. S. Lewis (Author)
• The Problem of Pain, C. S. Lewis
• The Screwtape Letters, C. S. Lewis

Catechesis & Theology 1

• A Catholic commentary on Holy Scripture by Bernard Orchard (Author)
• A Father Who Keeps His Promises: God's Covenant Love in Scripture by Scott Hahn (Author)
• An Essay on the Development of Christian Doctrine Cardinal John Henry Newman (Paperback - Jun 1, 2007)
• Aquinas's Shorter Summa: Saint Thomas's Own Concise Version of His Summa Theologica by St. Thomas Aquinas (Author)
• Canon And Biblical Interpretation (Scripture and Hermeneutics Series, V. 7) by Scott Hahn (Editor), et al.
• Companion to the Catechism of the Catholic Church: A Compendium of Texts Referred to in the Catechism of the Catholic Church by Ignatius (Author)
• Fundamentals of Catholic Dogma by Ludwig Ott (Author)
• God Is Near Us: The Eucharist, the Heart of Life by Joseph Cardinal Ratzinger (Author), et al.
• God's Word: Scripture - Tradition - Office by Joseph Cardinal Ratzinger (Author)
• Guide to the Bible by Antonio Fuentes (Author)

Catechesis & Theology 2

• Hail, Holy Queen by Scott Hahn (Author)
• Letter and Spirit: From Written Text to Living Word in the Liturgy by Scott Hahn (Author)
• Life of Christ by Fulton J. Sheen (Author)
• Mary the Second Eve by John Henry Cardinal Newman (Author)
• Summa Contra Gentiles: Book Four: Salvation by St. Thomas Aquinas (Author), Charles J. O'Neil (Translator)
• Swear to God: The Promise and Power of the Sacraments by Scott Hahn (Author)
• The Hidden Manna: A Theology of the Eucharist by Father James T. O'Connor (Author)
• The Lord by Romano Guardini (Author)
• The Mystical Rose: Thoughts on the Blessed Virgin from the Writings of John Henry Cardinal Newman by John Henry Cardinal Newman (Author), Joseph Regina (Editor)
• The Sacraments and Their Celebration by Nicholas Halligan (Author)

Catechesis & Theology 3

• The Seven Last Words by Fulton J. Sheen (Author)
• The Summa Theologica of St. Thomas Aquinas (Five Volumes) by Thomas Aquinas (Author), Fathers of the English Dominican Provinc (Translator)
• Theology and Sanity by F. J. Sheed (Author)
• Theology for Beginners by Francis Joseph Sheed (Author)
• Understanding The Scriptures: A Complete Course On Bible Study (The Didache Series) by Scott Hahn (Author)
• The Teachings of the Church Fathers by Willis
• In the Beginning by Joseph Ratzinger
• The City of God by St. Augustine of Hippo
• Jesus of Nazareth by Pope Benedict XI
• Many Religions-One Covenant by Joseph Ratzinger

History 1

• Ancient Israel: Its Life and Institutions (Biblical Resource Series) by Roland De Vaux (Author), John McHugh (Translator)
• Building Of Christendom: History Of Christendom Vol 2 (A History of Christendom, Vol. 2) by Warren H. Carroll (Author)
• Characters of the Reformation: Historical Portraits of the 23 Men and Women and Their Place in the Great Religious Revolution of the 16th Century by Hilaire Belloc (Author)
• Cleaving Of Christendom: History Of Christendom Vol 4 by Warren H. Carroll (Author)
• Founding Of Christendom: History Of Christendom Vol 1 by Warren H. Carroll (Author)
• Glory Of Christendom: History Of Christendom Vol 3 (History of Christendom Series ; Vol. III) by Warren H. Carroll (Author)
• OSV's Encyclopedia of Catholic History by Matthew Bunson (Author)
• The Historical Reliability of the Gospels by Craig L. Blomberg (Author)
• The Revolution Against Christendom: A History of Christendom, Vol. 5 Warren H. Carroll (Paperback - Mar 7, 2006)
• The Rhine flows into the Tiber: A history of Vatican II by Ralph M Wiltgen (Author)

History 2

• The Spanish Inquisition: A Historical Revision by Professor Henry Kamen (Author)
• The Church History by Eusebius
• Inquisition by Peters

Misc

• Excommunication and the Catholic Church Edward N. Peters (Paperback - Sep 1, 2006)
•  Apologia Pro Vita Sua (A Defense of One's Life) (Dover Giant Thrift Editions) by John Henry Newman (Author)
• Butler's Lives of the Saints (4 Volume Matched Set)
• The New Ecumenism: How the Catholic Church After Vatican II Took Over the Leadership of the World Ecumenical Movement Kenneth D. Whitehead (Paperback - Feb 6, 2009)
• Code of Canon Law a Text and Commentary, Study Edition by James A. Coriden (Author)
• Mass Confusion: The Do's & Don'ts of Catholic Worship, Second Edition, Expanded by James Akin (Author)
• Pocket Catholic Dictionary by John Hardon (Author)
• Spirit of Catholicism by Karl Adam (Author)
• The Book of Destiny by Herman Bernard Kramer (Author)
• The Courage To Be Catholic: Crisis, Reform And The Future Of The Church by George Weigel (Author)

Other Religions

• Answering Jehovah's Witnesses by Jason Evert (Author)
• Handbook of Denominations in the United States, 12th Edition by Frank S. Mead (Author), et al.
• Inside Islam: A Guide for Catholics by Daniel Ali (Author), Robert Spencer (Author)
• Inside Mormonism by Isaiah Bennett (Author)
• Islam Unveiled: Disturbing Questions About the World's Fastest-Growing​ Faith by Robert Spencer (Author)
• Masonry Unmasked: An Insider Reveals the Secrets of the Lodge by John Salza (Author)
• Reincarnation: Illusion or Reality? by Edmond Robillard (Author)
• The Quran & the Bible in the Light of History & Science by William F. Campbell (Author)
• The Truth About Muhammad: Founder of the World's Most Intolerant Religion by Robert Spencer (Author)
• When Mormons Call by Isaiah Bennett (Author)

Politics & Science

• Angels, Apes, and Men by Stanley L. Jaki (Author)
• Because They Hate: A Survivor of Islamic Terror Warns America by Brigitte Gabriel (Author)
• Darwin's Black Box: The Biochemical Challenge to Evolution by Michael J. Behe (Author)
• God and the Cosmologists by Stanley L. Jaki (Author)
• Liberal Fascism: The Secret History of the American Left, From Mussolini to the Politics of Meaning by Jonah Goldberg (Author)
• Miracles & Physics Stanley L. Jaki (Paperback - Oct 1, 2004)
• Signature in the Cell by Stephen Meyer
• The Myth of Islamic Tolerance: How Islamic Law Treats Non-Muslims by Robert Spencer (Editor)
• The Savior of Science by Stanley L. Jaki (Author)
• Faith, Reason, and the War Against Jihad by George Weigel

Social Issues

• Good News about Sex and Marriage by Christopher West
• Eugenics and Other Evils : An Argument Against the Scientifically Organized State by G. K. Chesterton (Author), Michael W. Perry (Editor)
• Life-Giving Love : Embracing God's Beautiful Design for Marriage by Kimberly Hahn (Author), Scott Hahn (Author)
• Man and Woman He Created Them: A Theology Of The Body by John Paul II (Author), Michael Waldstein (Translator)
• The Gospel of Life: Evangelium Vitae by Pope John Paul II (Author)
• The Truth About Homosexuality: The Cry of the Faithful by John F. Harvey (Author)
• The Unaborted Socrates: A Dramatic Debate on the Issues Surrounding Abortion by Peter Kreeft (Author)
• Why Humanae Vitae Was Right: A Reader by Janet Smith (Editor)
• Back to Virtue: Traditional Moral Wisdom for Modern Moral Confusion Peter Kreeft (Paperback - Jun 1992)
• Women in the Priesthood: A Systematic Analysis in the Light of the Order of Creation and Redemption by Manfred Hauke (Author), David Kipp (Author)

Spirituality 1

• To Know Christ Jesus (Stagbooks) by F. J. Sheed (Author)
• Abandonment to Divine Providence (Dover Books on Western Philosophy) Jean-Pierre de Caussade (Paperback - May 19, 2008)
• Catherine of Siena : The Dialogue (Classics of Western Spirituality) by Suzanne Noffke (Author), Guiliana Cavallini (Author)
• Finding God's Will for You by St. Francis de Sales (Author)
• Introduction to the Devout Life St. Francis de Sales (Paperback - Mar 26, 2009)
• Living the Mysteries: A Guide for Unfinished Christians by Scott Hahn (Author), Mike Aquilina (Author)
• Love Alone Is Credible: Hans Urs Von Balthasar As Interpreter of the Catholic Tradition Wm. B. Eerdmans Publishing Company
• Ordinary Work, Extraordinary Grace: My Spiritual Journey in Opus Dei by Scott Hahn (Author)
• Peace of Soul by Fulton J. Sheen (Author)
• The Art of Praying: The Principles and Methods of Christian Prayer by Romano Guardini (Author)

Spirituality 2

• The Discernment of Spirits: The Ignatian Guide for Everyday Life  by Timothy M. Gallagher (Author)
• The Essential St. John of the Cross: Ascent of Mount Carmel, Dark Night of the Soul, A Spiritual Canticle of the soul, and Twenty Poems Saint John of the Cross (Paperback - Mar 22, 2008)
• The Fulfillment of All Desire Ralph Martin (Paperback - Jul 1, 2006)
• The Holy Longing: The Search for A Christian Spirituality Ronald Rolheiser (Hardcover - Jul 20, 1999)
• The Interior Castle St. Teresa of Avila (Paperback - Nov 1, 2006)
• The Practice of the Presence of God Brother Lawrence (Perfect Paperback - Aug 17, 2007)
• The Shattered Lantern: Rediscovering a Felt Presence of God Ronald Rolheiser (Paperback - Feb 1, 2005)
• The Soul of the Apostolate by Jean-Baptiste Chautard (Author)
• The Way of Perfection (Christian Classic) by Teresa of Avila (Author), et al.
• The Way: The Essential Classic of Opus Dei's Founder by Josemaria Escriva (Author)

Spirituality 3

• The Confessions by St. Augustine of Hippo
• The Imitation of Christ by Tomas a Kempis