- 100 Tough Questions For Catholics: Common Obstacles to Faith Today: David G. Bonagura Jr.
- A History of Apologetics: Avery Cardinal Dulles
- Handbook of Christian Apologetics: Peter Kreeft and Ronald K. Tacelli
- How Not to Share Your Faith: The Seven Deadly Sins of Catholic Apologetics and Evangelization: Mark Brumley
- How to Do Apologetics: Making the Case for Our Faith: Patrick Madrid
- The Case for Catholicism: Answers to Classic and Contemporary Protestant Objections: Trent Horn
- Christus Vincit: Christ's Triumph Over the Darkness of the Age: Bishop Athanasius Schneider
- Contemplative Enigmas: Insights and Aid on the Path to Deeper Prayer: Fr. Donald Haggerty
- Contemplative Hunger: Fr. Donald Haggerty
- Curing Mad Truths: Medieval Wisdom for the Modern Age: Rémi Brague
- Demon in Democracy: Totalitarian Temptations in Free Societies: Ryszard Legutko
- Diversity Delusion: Heather Mac Donald
- Day Is Now Far Spent: Cardinal Robert Sarah
- Grace in Season: The Riches of the Gospel in Seventy Sermons: J. Augustine Di Noia, O.P.
- Heroism and Genius: How Catholic Priests Helped Build and Can Help Rebuild Western Civilization: William Slattery
- Heresy of Formlessness: The Roman Liturgy and Its Enemies: Martin Mosebach
- How Catholic Art Saved the Faith: Elizabeth Lev
- Idol of Our Age: How the Religion of Humanity Subverts Christianity: Daniel Mahoney
- Literature: What Every Catholic Should Know: Joseph Pearce
- Noble Beauty, Transcendent Holiness: Peter Kwasniewski
- Primal Screams: Mary Eberstadt
- Reason, Faith, and the Struggle for Western Civilization: Samuel Gregg
- Socialist Phenomenon: Igor Shafarevich
- Sound of Beauty: Michael Kurek
- Anti-Mary Exposed: Carrie Gress
- Will Many Be Saved?: Ralph Martin
- Five Loaves and Two Fish: Francis Xavier Nguyen Van Thuan
- Prayers of Hope, Words of Courage: Francis Xavier Nguyen Van Thuan
- The Road of Hope: A Gospel from Prison: Francis Xavier Nguyen Van Thuan
- The Testimony of Hope: The Spiritual Exercises of John Paul II: Francis Xavier Nguyen Van Thuan
- An Introduction to Moral Theology: William E. May
- Ethics: Dietrich von Hildebrand
- Faith, Hope, Love: Josef Pieper
- Fifty Questions on the Natural Law: What It Is and Why We Need It: Charles Rice
- Introduction to Moral Theology: Romanus Cessario, O.P.
- Living in Christ: Fundamental Principles of Catholic Moral Teaching: Carlo Caffara
- Morality: The Catholic View: Servais Pinckaers, O.P.
- Sources of Christian Ethics: Servais Pinckaers, O.P.
- The Art of Living: Dietrich von Hildebrand and Alice von Hildebrand
- The Four Cardinal Virtues: Josef Pieper
- The Virtues: Romano Guardini
- Veritatis Splendor (The Splendor of Truth): Pope St. John Paul II
- A Biblical Defense of Catholicism: David Armstrong
- A History of Apologetics: Avery Cardinal Dulles
- Answering a Fundamentalist: Albert J. Nevins
- Apologetics: Msgr. Paul J. Glenn
- Apologetics and Catholic Doctrine: Archbishop Michael Sheehan
- Beyond Reasonable Doubt: G. H. Duggan, S.M.
- Born Fundamentalist, Born Again Catholic: David B. Currie
- By What Authority? An Evangelical Discovers Catholic Tradition: Mark P. Shea
- Catholic Apologetics Today: Answers to Modern Critics: Fr. William G. Most
- Catholic for a Reason: Scripture and the Mystery of the Family of God: Scott Hahn and Leon J. Suprenant
- Catholic for a Reason: Scripture and the Mystery of the Mother of God: Leon J. Suprenant
- Catholicism and Fundamentalism: Karl Keating
- Crossing the Tiber: Evangelical Protestants Discover the Historic Church: Stephen K. Ray
- Defenders of the Faith in Word and Deed: Fr. Charles P. Connor
- Father Smith Instructs Jackson: Archbishop John Francis Noll
- Fundamentals of the Faith: Essays in Christian Apologetics: Peter Kreeft
- Handbook of Christian Apologetics: Peter Kreeft and Ronald K. Tacelli
- How Not to Share Your Faith: The Seven Deadly Sins of Catholic Apologetics and Evangelization: Mark Brumley
- Inside Islam: A Guide for Catholics: 100 Questions and Answers: Daniel Ali and Robert Spencer
- Inside Mormonism: What Mormons Really Believe: Isaiah Bennett
- Mary and the Fundamentalist Challenge: Fr. Peter Stravinskas
- Mormonism: The Prophet, the Book and the Cult: Peter Bartley
- Not By Faith Alone: A Critique of the Protestant Doctrine of Sola Fide: Robert Sungenis
- Not By Scripture Alone: A Critique of the Protestant Doctrine of Sola Scriptura: Robert A. Sungenis
- Nuts and Bolts: A Practical Guide for Explaining and Defending the Catholic Faith: Tim Staples
- One Shepherd, One Flock: Oliver Barres
- One, Holy, Catholic and Apostolic: Kenneth D. Whitehead
- Pope Fiction: Answers to 30 Myths and Misconceptions About the Papacy: Patrick Madrid
- Protestant Fundamentalism and the Born Again Catholic: Fr. Robert J. Fox
- Radio Replies (Vols. 1–3): Fr. Leslie Rumble and Charles Carty
- Rebuilding a Lost Faith: John L. Stoddard
- Refuting the Attack on Mary: A Defense of Marian Doctrine: Father Mateo
- Rome Sweet Home: Our Journey to Catholicism: Scott Hahn and Kimberly Hahn
- Scriptural Catholicism: Foundations of Faith: Steven Kellemyer
- Surprised by Truth (Vols. 1–3): Patrick Madrid
- The Biblical Basis for the Catholic Faith: John Salza
- The Catholic Answer to the Jehovah’s Witnesses: Louise D’Angelo
- The Catholic Response: Peter Stravinskas
- The Catholic Verses: 95 Bible Passages That Confound Protestants: David Armstrong
- The Faith of Our Fathers: James Cardinal Gibbons
- The Faith of the Early Fathers (Vols. 1–3): William A. Jurgens
- The Scriptural Roots of Catholic Teaching: Chantal Epie
- The Usual Suspects: Answering Anti-Catholic Fundamentalists: Karl Keating
- Unabridged Christianity: Biblical Answers to Common Questions About the Roman Catholic Faith: Fr. Mario P. Romero
- Upon This Rock: St. Peter and the Primacy of Rome in Scripture and the Early Church: Stephen K. Ray
- Where Is That in the Bible?: Patrick Madrid
- Where We Got the Bible From: Our Debt to the Catholic Church: Henry Graham
- When Mormons Call: Answering Mormon Missionaries at Your Door: Isaiah Bennett
- Will Catholics Be Left Behind? A Catholic Critique of the Rapture and Today’s Prophecy Preachers: Carl E. Olson
- Wisdom Shall Enter: A Course in Catholic Apologetics: Leo Trese
- Aquinas on the Four Last Things: Kevin Vost
- Eschatology: Death and Eternal Life: Joseph Ratzinger (Pope Benedict XVI)
- Everything You Ever Wanted to Know About Heaven But Never Dreamed of Asking: Peter Kreeft
- Everlasting Life: A Theological Treatise: Reginald Garrigou-Lagrange
- Hell and the Mercy of God: Adrian J. Reimers
- How Saints Die: 100 Stories of Hope: Antonio Maria Sicari
- Hungry Souls: Supernatural Visits, Messages, and Warnings From Purgatory: Gerard J. M. van den Aardweg
- Life After Death: Albert J. Nevins, M.M.
- Purgation and Purgatory: St. Catherine of Genoa
- Purgatory Is for Real: Karlo Broussard
- The Four Last Things: A Catechetical Guide to Death, Judgment, Heaven, and Hell: Fr. Wade L. J. Menezes, C.P.M.
- An Exorcist Explains the Demonic: Fr. Gabriele Amorth
- Diary of an American Exorcist: Msgr. Stephen J. Rossetti
- Exorcism: The Battle Against Satan and His Demons: Fr. Vincent Lampert
- Fr. Amorth: My Battle Against Satan: Fr. Gabriele Amorth
- Fr. Gabriele Amorth, Rome's Exorcist: The Official Biography: Domenico Agasso
- Hauntings, Possessions, and Exorcisms: Adam Blai
- Interview with an Exorcist: Fr. Jose Antonio Fortea
- My Confrontation with Hell: Real Demonic Encounters of an Exorcist: Msgr. Stephen J. Rossetti
- On the Demonic: Archbishop Fulton J. Sheen
- Slaying Dragons: What Exorcists See and What We Should Know: Charles Fraune
- The Devil in the City of Angels: My Encounters with the Diabolical: Jesse Romero
- The Devil Is Afraid of Me: Fr. Gabriele Amorth
- The Exorcism Files: True Stories About the Reality of Evil and How to Defeat It: Fr. Carlos Martins
- The Exorcism Files: True Stories of Demonic Possession: Adam Blai
- A Guide to the Stages of Prayer According to St. Teresa of Jesus and St. John of the Cross: Discalced Carmelite Nuns
- A Guide to the Stages of Prayer According to St. Teresa of Jesus and St. John of the Cross: Sister Immaculata
- A School of Prayer: The Saints Show Us How to Pray: Pope Benedict XVI
- Beginning to Pray: Anthony Bloom
- Catechism of Mental Prayer: Joseph Simler
- Contemplative Prayer: Thomas Merton
- Deep Conversion, Deep Prayer: Fr. Thomas Dubay, S.M.
- Difficulties in Mental Prayer: M. Eugene Boylan
- Elizabeth of the Trinity: The Charism of Her Prayer: Jean Lafrance
- Fire Within: Fr. Thomas Dubay, S.M.
- First Steps in Prayer: Cardinal Jean-Marie Lustiger
- Five Pillars of the Spiritual Life: A Practical Guide to Prayer for Active People: Fr. Robert Spitzer
- How to Pray Well: Raoul Plus
- I Am a Daughter of the Church: Blessed Marie-Eugene of the Child Jesus, O.C.D.
- I Want to See God: Blessed Marie-Eugene of the Child Jesus, O.C.D.
- In the Beginning: A Catholic Scientist Explains How God Made Earth Our Home: Gerard Verschuuren
- Is Centering Prayer Catholic?: Connie Rossini
- Lectio Divina and the Practice of Teresian Prayer: Sam Anthony Morello
- Little Catechism of the Life of Prayer: Gabriel of St. Mary Magdalen, O.C.D.
- Living Prayer: Anthony Bloom
- Loving Much: St. Teresa's Teaching on Prayer: Mary Garnet
- Meditation and Contemplation: An Ignatian Guide to Praying with Scripture: Fr. Timothy Gallagher, O.M.V.
- Mental Prayer According to the Principles of St. Thomas Aquinas: Denis Fahey
- Mystical Union with God Through the Nine Degrees of Prayer: Blessed James Alberione
- On Prayer: Jean-Pierre de Caussade
- On the Lord's Prayer: St. Augustine of Hippo
- Personal Prayer: A Guide for Receiving the Father's Love: Fr. Thomas Acklin, O.S.B. and Fr. Boniface Hicks, O.S.B.
- Prayer: Pope Benedict XVI
- Prayer: Hans Urs von Balthasar
- Prayer and Carmel: Pope St. John Paul II
- Prayer Primer: Igniting a Fire Within: Fr. Thomas Dubay, S.M.
- Prayer: The Great Conversation: Peter Kreeft
- Prayer: The Key to Salvation: Michael Mueller
- St. Augustine Answers 101 Questions on Prayer: Cliff Ermatinger
- St. Cyprian on the Lord's Prayer: translated by T. Herbert Bindley
- The Art of Praying: Romano Guardini
- The Basic Book of Catholic Prayer: How to Pray and Why: Lawrence G. Lovasik
- The Collected Works of St. John of the Cross: St. John of the Cross
- The Contemplative Hunger: Fr. Donald Haggerty
- The Lord's Prayer: Cardinal Jean-Marie Lustiger
- The Lord's Prayer: Romano Guardini
- The Our Father in Gethsemane: Thoughts for the Holy Hour: Fr. Francis P. Donnelly, S.J.
- The Pathways of Prayer: Communion with God: Sister Immaculata
- The Power of Silence: Against the Dictatorship of Noise: Cardinal Robert Sarah
- The Praktikos: Chapters on Prayer: Evagrius Ponticus
- The Q&A Guide to Mental Prayer: Connie Rossini
- The Sermons of St. Francis de Sales on Prayer: St. Francis de Sales
- The Three Greatest Prayers: St. Thomas Aquinas
- The Way of Prayer: A Commentary on Saint Teresa's Way of Perfection: Gabriel of St. Mary Magdalen, O.C.D.
- The Ways of God for Meditation and Prayer: St. Thomas Aquinas
- The Ways of Mental Prayer: Dom Vitalis Lehodey
- Theology of Prayer: Fr. John A. Hardon, S.J.
- Thy Kingdom Come: Living the Lord's Prayer in Everyday Life: Fr. Jeffrey Kirby
- Treatise on Prayer and Meditation: St. Peter of Alcantara
- Wings to the Lord: Thoughts on Prayer: St. Jane Frances de Chantal
- 7 Secrets of the Eucharist: Vinny Flynn
- A Key to the Doctrine of the Eucharist: Abbot Vonier
- Bread That Is Broken: Wilfrid Stinissen, O.C.D.
- Eucharistic Miracles and Eucharistic Phenomena in the Lives of the Saints: Joan Carroll Cruz
- God Is Near Us: The Eucharist, the Heart of Life: Pope Benedict XVI
- In the Presence of the Lord: The History, Theology and Psychology of Eucharistic Devotion: Fr. Benedict Groeschel, C.F.R. and James Monti
- Jesus and the Jewish Roots of the Eucharist: Unlocking the Secrets of the Last Supper: Brant Pitre
- The Bishop of the Abandoned Tabernacle: St. Manuel González García, Selected Writings: compiled and translated by Victoria Schneider
- The Hidden Manna: A Theology of the Eucharist: James T. O'Connor
- The Holy Bread of Eternal Life: Restoring Eucharistic Reverence in an Age of Impiety: Peter Kwasniewski
- The Holy Eucharist: St. Alphonsus Liguori
- The Eucharist: Mystery of Presence, Sacrifice, and Communion: Lawrence Feingold
- The Eucharist: The Mystery of Holy Thursday: François Mauriac
- The Real Presence: Eucharistic Meditations: St. Peter Julian Eymard
- With Us Today: On the Real Presence of Jesus Christ in the Eucharist: Fr. John A. Hardon, S.J.
- Encounters with Silence: Karl Rahner
- From Silence to Silence: A Benedictine Pilgrimage to God's Sanctuary: Fr. Francis Bethel, O.S.B.
- Holy Silence: A Practical Guide to Recollection in God: Fr. Basil Nortz
- In Silence with God: Benedict Baur
- Silence: A Series of Conferences Given by a Camaldolese Hermit: Anonymous
- The Hidden Power of Silence in the Mass: Fr. Boniface Hicks, O.S.B.
- The Power of Silence: Against the Dictatorship of Noise: Cardinal Robert Sarah
- The World of Silence: Max Picard
- A Catholic Scientist Proves God Exists: Gerard Verschuuren
- Aquinas and Modern Science: A New Synthesis of Faith and Reason: Gerard Verschuuren
- Faith and Reason: The Cradle of Truth: Gerard Verschuuren
- Five Anti-Catholic Myths: Gerard Verschuuren
- Forty Anti-Catholic Lies: A Myth-Busting Apologist Sets the Record Straight: Gerard Verschuuren
- How Science Points to God: Gerard Verschuuren
- In the Beginning: A Catholic Scientist Explains How God Made Earth Our Home: Gerard Verschuuren
- Of All That Is Seen and Unseen: Life-Saving Answers to Life-Size Questions: Gerard Verschuuren
- The Myth of an Anti-Science Church: Galileo, Darwin, Teilhard, Hawking, Dawkins: Gerard Verschuuren
- All About the Angels: Fr. Paul O'Sullivan, O.P.
- Angels (and Demons): Peter Kreeft
- Angels and Demons: A Catholic Introduction: Serge-Thomas Bonino, O.P.
- Angels and Devils: Joan Carroll Cruz
- His Angels at Our Side: Fr. John Horgan
- Meditations on the Angels: Fr. John A. Hardon, S.J.
- My Angel Will Go Before You: Georges Huber
- The Angels and Their Mission: According to the Fathers of the Church: Jean Daniélou, S.J.
- The Angels: In Catholic Teaching and Tradition: Fr. Paschale Parente
- The Celestial Hierarchy: Pseudo-Dionysius the Areopagite
- The Other World We Live In: A Catholic Vision of Angelic Reality: Scott Randall Paine
- World Invisible: The Catholic Doctrine of the Angels: John Saward
- Abandonment to Divine Providence: Jean-Pierre de Caussade
- Ascent of Mount Carmel: St. John of the Cross
- Autobiography of St. Margaret Mary Alacoque: St. Margaret Mary Alacoque
- Confessions: St. Augustine of Hippo
- Divine Mercy in My Soul: Diary: St. Faustina Kowalska
- He Leadeth Me: Fr. Walter Ciszek, S.J.
- Imitation of Christ: Thomas à Kempis
- Introduction to the Devout Life: St. Francis de Sales
- Jesus of Nazareth: Pope Benedict XVI
- Journal of a Soul: St. Pope John XXIII
- Little Flowers of St. Francis: St. Francis of Assisi
- Lord: Romano Guardini
- Practice of the Presence of God: Brother Lawrence of the Resurrection
- Revelations of Divine Love: Julian of Norwich
- Soul of the Apostolate: Dom Jean-Baptiste Chautard
- Spiritual Combat: Lorenzo Scupoli
- Spiritual Exercises: St. Ignatius of Loyola
- Story of a Soul: St. Thérèse of Lisieux
- The Cloud of Unknowing: Anonymous
- The Dialogue: St. Catherine of Siena
- The Way: St. Josemaría Escrivá
- The Way of Perfection: St. Teresa of Avila
- This Tremendous Lover: Eugene Boylan
- Transformation in Christ: Dietrich von Hildebrand
- True Devotion to the Blessed Virgin Mary: St. Louis de Montfort
- A Case for the Existence of God: Dean Overman
- Answering the New Atheism: Dismantling Dawkins' Case Against God: Scott Hahn and Benjamin Wiker
- Atheist Delusions: David Bentley Hart
- Atheist to Catholic: Stories of Conversion: Rebecca Vitz Cherico
- Because God Is Real: Sixteen Questions, One Answer: Peter Kreeft
- Faith of the Fatherless: The Psychology of Atheism: Paul Vitz
- From Atheism to Catholicism: How Scientists and Philosophers Led Me to Truth: Kevin Vost
- God: The Evidence: Patrick Glynn
- God Is No Delusion: A Refutation of Richard Dawkins: Thomas Crean
- Greater Than You Think: A Theologian Answers the Atheists About God: Thomas Williams
- How to Think About God: Mortimer Adler
- I Don't Have Enough Faith to Be an Atheist: Norman Geisler and Frank Turek
- Is God a Delusion? A Reply to Religion's Despisers: Eric Reitan
- Michael J. Buckley, S.J., At the Origins of Modern Atheism: Michael J. Buckley, S.J.
- New Proofs for the Existence of God: Fr. Robert J. Spitzer, S.J.
- No One Sees God: The Dark Night of Atheists and Believers: Michael Novak
- The Atheist Syndrome: John P. Koster
- The Dawkins Delusion: Atheist Fundamentalism and the Denial of the Divine: Alister McGrath and Joanna Collicutt McGrath
- The Devil's Delusion: Atheism and Its Scientific Pretensions: David Berlinski
- The Godless Delusion: A Catholic Challenge to Modern Atheism: Patrick Madrid and Kenneth Hensley
- The Last Superstition: A Refutation of the New Atheism: Edward Feser
- The Question of God: C.S. Lewis and Sigmund Freud Debate God, Love, Sex, and the Meaning of Life: Armand M. Nicholi Jr.
- The Rage Against God: How Atheism Led Me to Faith: Peter Hitchens
- The Reason for God: Belief in an Age of Skepticism: Timothy Keller
- The Twilight of Atheism: The Rise and Fall of Disbelief in the Modern World: Alister McGrath
- There Is a God: How the World's Most Notorious Atheist Changed His Mind: Antony Flew
- Can a Catholic Be a Socialist? The Answer Is No—Here's Why: Trent Horn and Catherine R. Pakaluk
- Heaven on Earth: The Rise and Fall of Socialism: Joshua Muravchik
- The Black Book of Communism: Crime, Terror, Repression: Stéphane Courtois, Nicolas Werth, et al.
- The Case Against Socialism: Rand Paul
- The Devil and Karl Marx: Communism's Long March of Death, Deception, and Infiltration: Paul Kengor
- The Devil's Pleasure Palace: The Cult of Critical Theory and the Subversion of the West: Michael Walsh
- The Socialist Phenomenon: Igor Shafarevich
- The United States of Socialism: Who's Behind It, Why It's Evil, How to Stop It: Dinesh D'Souza
- Go to Joseph: Fr. Richard Gilsdorf
- Guardian of the Redeemer: Pope St. John Paul II
- Joseph of Nazareth: Federico Suárez
- Meet Your Spiritual Father: Mark Miravalle
- St. Joseph and Daily Christian Living: Fr. Francis Filas, S.J.
- St. Joseph and His World: Mike Aquilina
- St. Joseph: His Life and His Role in the Church Today: Louise Perrotta
- The Mystery of Joseph: Fr. Marie-Dominique Philippe, O.P.
- Through the Heart of St. Joseph: Fr. Boniface Hicks
- A Manual of Practical Devotion to St. Joseph: Fr. Patrignani, S.J.
- Belief in God in an Age of Science: John Polkinghorne
- Bible and Science: Stanley Jaki, O.S.B.
- Catholicism and Evolution: A History From Darwin to Pope Francis: Michael Chaberek, O.P.
- Cosmos and Creator: Stanley Jaki, O.S.B.
- God's Undertaker: Has Science Buried God?: John Lennox
- Modern Physics and Ancient Faith: Stephen M. Barr
- Moral Darwinism: How We Became Hedonists: Benjamin Wiker
- Particles of Faith: A Catholic Guide to Navigating Science: Stacy Trasancos
- Science and the Modern World: Alfred North Whitehead
- The Catholic Church and Science: Answering the Questions, Exposing the Myths: Benjamin Wiker
- The Darwin Myth: The Life and Lies of Charles Darwin: Benjamin Wiker
- The Language of God: Francis S. Collins
- The Mind of God: The Scientific Basis for a Rational World: Paul Davies
- The New Story of Science: Robert M. Augros and George N. Stanciu
- The Purpose of It All: Stanley Jaki, O.S.B.
- The Road to Science and the Ways of God: Stanley Jaki, O.S.B.
- The Savior of Science: Stanley Jaki, O.S.B.
- The Science Before Science: A Guide to Thinking in the 21st Century: Anthony Rizzi
- The Science of God: The Convergence of Scientific and Biblical Wisdom: Gerald L. Schroeder
- The Wonder of the World: A Journey from Modern Science to the Mind of God: Roy Abraham Varghese
- Cry of the Heart: On the Meaning of Suffering: Lorenzo Albacete
- Does Suffering Make Sense?: Russell Shaw
- Making Sense Out of Suffering: Peter Kreeft
- Salvifici Doloris (On the Christian Meaning of Human Suffering): Pope St. John Paul II
- Suffering: What Every Catholic Should Know: Mark Giszczak
- The Light Shines in the Darkness: Transforming Suffering Through Faith: Fr. Robert Spitzer, S.J.
- The Mystery of Suffering: Hubert van Zeller
- The Problem of Pain: C. S. Lewis
- Champions of the Rosary: The History and Heroes of a Spiritual Weapon: Fr. Donald Calloway, M.I.C.
- Holy Rosary: St. Josemaría Escrivá
- Rosarium Virginis Mariae (On the Most Holy Rosary): Pope St. John Paul II
- Ten Wonders of the Rosary: Fr. Donald Calloway, M.I.C.
- The Secret of the Rosary: St. Louis de Montfort
- The World's First Love: Mary, Mother of God: Venerable Fulton J. Sheen
- A Church in Crisis: Pathways Forward: Ralph Martin
- A Crisis of Truth: Ralph Martin
- Battle for the American Church: Msgr. George A. Kelly
- Battle for the American Church (Revisited): Msgr. George A. Kelly
- Calming the Storm: Navigating the Crisis Facing the Catholic Church and Society: Fr. Gerald Murray
- Catholicism and Modernity: Confrontation or Capitulation: James Hitchcock
- Christus Vincit: Christ's Triumph Over the Darkness of the Age: Bishop Athanasius Schneider
- The Desolate City: Revolution in the Catholic Church: Anne Roche Muggeridge
- The Devastated Vineyard: Dietrich von Hildebrand
- The Peasant of the Garrone: Jacques Maritain
- Trojan Horse in the City of God: The Catholic Crisis Explained: Dietrich von Hildebrand
- You Shall Stand Firm: Preserving the Faith in an Age of Apostasy: Fr. William Casey, C.P.M.
- Jesus, Peter & The Keys: A Scriptural Handbook on the Papacy: Scott Butler, Norman Dahlgren, and David Hess
- Papal Primacy and the Third Millennium: Russell Shaw
- Pontiffs: Popes Who Shaped History: John Jay Hughes
- Pope Fiction: Answers to 30 Myths and Misconceptions About the Papacy: Patrick Madrid
- The Bones of St. Peter: John Evangelist Walsh
- The Office of St. Peter and the Structure of the Church: Hans Urs von Balthasar
- The Papacy: What the Pope Does and Why It Matters: Stephen Ray and R. Dennis Walters
- The Popes and Slavery: Joel S. Panzer
- The Shepherd and the Rock: Origins, Development and Mission of the Papacy: J. Michael Miller, C.S.B.
- Upon This Rock: St. Peter and the Primacy of Rome in Scripture and the Early Church: Stephen K. Ray
- Confession: Adrienne von Speyr
- Frequent Confession: Benedict Baur
- Pardon and Peace: A Sinner's Guide to Confession: Fr. Francis Randolph
- Reconciliation and Penance: Pope St. John Paul II
- The Sinner's Guide: Venerable Louis of Granada
- 7 Secrets of Confession: Vinny Flynn
- Casti Connubii (On Christian Marriage): Pope Pius XI
- Catechism of the Catholic Church, "The Sacrament of Matrimony" (¶1601-1666): Catholic Church
- Christ's New Homeland: Africa: African Pastors
- Covenant of Love: Pope John Paul II on Sexuality, Marriage and Family in the Modern World: Richard M. Hogan and John M. Levoir
- Covenanted Happiness: Love and Commitment in Marriage: Cormac Burke
- Crossing the Threshold of Love: A New Vision of Marriage in Light of John Paul II's Anthropology: Mary Shivanadan
- Defending Marriage: Twelve Arguments for Sanity: Anthony Esolen
- Eleven Cardinals Speak on Marriage and the Family: edited by Winfried Aymans
- Familiaris Consortio (The Role of the Christian Family in the Modern World): Pope St. John Paul II
- Gaudium et Spes, Nos. 47-52: The Dignity of Marriage and the Family: Second Vatican Council
- Humanae Vitae (Of Human Life): Pope St. Paul VI
- Humanae Vitae: A Generation Later: Janet E. Smith
- Letter to Families: Pope St. John Paul II
- Man and Woman in Christ: An Examination of the Roles of Men and Women in the Light of Scripture and the Social Sciences: Stephen B. Clark
- Marriage: A Path to Sanctity: Javier Abad and Eugenio Fenoy
- Marriage: The Mystery of Faithful Love: Dietrich von Hildebrand
- Marriage: The Rock on Which the Family Is Built: William E. May
- Remaining in the Truth of Christ: Marriage and Communion in the Catholic Church: edited by Robert Dodaro, O.S.A.
- Sex and the Marriage Covenant: A Basis for Morality: John F. Kippley
- The Case for Marriage: Linda J. Waite and Maggie Gallagher
- The Catholic Family in the Modern World: Fr. John A. Hardon, S.J.
- The Christian Meaning of Human Sexuality: Paul M. Quay, S.J.
- The First Society: The Sacrament of Matrimony and the Restoration of Social Order: Scott Hahn
- The Seven Myths About Marriage: What Science, Faith, and Philosophy Teach Us About Love and Happiness: Christopher Kaczor and Jennifer Kaczor
- The Truth and Meaning of Human Sexuality: Guidelines for Education within the Family: Pontifical Council for the Family
- Three to Get Married: Fulton J. Sheen
- What Is Marriage? Man and Woman: A Defense: Sherif Girgis and Ryan T. Anderson
- Cultural Meltdown: The Secular Roots of Our Moral Crisis: Bill Donohue
- Pagan America: The Decline of Christianity and the Dark Age to Come: John Daniel Davidson
- The Lies of Our Time: Anthony Esolen
- A School of Prayer: The Saints Show Us How to Pray: Pope Benedict XVI
- Aquinas at Prayer: The Bible, Mysticism and Poetry: Paul Murray, O.P.
- Beginning to Pray: Anthony Bloom
- Clinging: The Experience of Prayer: Emilie Griffin
- Contemplative Prayer: Thomas Merton
- Conversation with Christ: The Teaching of St. Teresa of Avila About Personal Prayer: Peter Thomas Rohrbach
- Deep Conversion, Deep Prayer: Thomas Dubay, S.M.
- Difficulties in Mental Prayer: Fr. Eugene Boylan, O.Cist. R.
- Essence of Prayer: Ruth Burrows, O.C.D.
- Fire Within: St. Teresa of Avila, St. John of the Cross, and the Gospel on Prayer: Thomas Dubay, S.M.
- How to Pray: Père Jean Grou
- How to Pray Always: Raoul Plus, S.J.
- How to Pray Well: Raoul Plus, S.J.
- Introduction to the Spiritual Life: Walking the Path to Prayer with Jesus: Brant Pitre
- Jesus, Teach Us to Pray: Jerome Bertram
- Letters to Malcolm Chiefly on Prayer: C. S. Lewis
- Personal Prayer: A Guide for Receiving the Father's Love: Fr. Thomas Acklin, O.S.B. and Fr. Boniface Hicks, O.S.B.
- Prayer: Hans Urs von Balthasar
- Prayer for Beginners: Peter Kreeft
- Prayer Primer: Igniting a Fire Within: Thomas Dubay, S.M.
- Prayer: The Great Conversation: Peter Kreeft
- Prayer: The Mission of the Church: Jean Daniélou
- Seeds of Contemplation: Thomas Merton
- Stages in Prayer: J. G. Arintero, O.P.
- The Art of Praying: Romano Guardini
- The Contemplative Hunger: Fr. Donald Haggerty
- The Interior Castle: St. Teresa of Avila
- The Lord's Prayer: Cardinal Jean-Marie Lustiger
- The Lord's Prayer: Romano Guardini
- The Power of Silence: Cardinal Robert Sarah
- The Prayer of the Presence of God: Dom Augustin Guillerand
- The Q&A Guide to Mental Prayer: Connie Rossini
- The Three Greatest Prayers: St. Thomas Aquinas
- The Way of Perfection: St. Teresa of Avila
- The Ways of Mental Prayer: Dom Vitalis Lehodey
- Theology of Prayer: Fr. John A. Hardon, S.J.
- Thirsting for Prayer: Fr. Jacques Philippe
- Time for God: Jacques Philippe
- Treatise on Prayer and Meditation: St. Peter of Alcantara
- Angels of Darkness: Fr. John A. Hardon, S.J.
- Christian Faith and Demonology: Sacred Congregation for the Doctrine of the Faith
- Masks of Satan: The Demonic in History: Christopher Nugent
- Satan in the Modern World: Msgr. Leon Cristiani
- Satanism: Is It Real?: Fr. Jeffrey J. Steffon
- The Deceiver: Our Daily Struggle with Satan: Livio Fanzaga
- The Devil: Bernard Leeming, S.J. and Walter Farrell, O.P.
- The Devil: Alive and Active in Our World: Corrado Balducci
- Beheading the Hydra: A Radical Plan for Christians in an Atheistic Age: Fr. Dwight Longenecker
- Immortal Combat: Confronting the Heart of Darkness: Fr. Dwight Longenecker
- The Spiritual Combat: Lorenzo Scupoli
- Contagious Faith: Why the Church Must Spread Hope, Not Fear in a Pandemic: Philip Lawler
- Deadly Indifference: How the Church Lost Her Mission and How We Can Reclaim It: Eric Sammons
- From Christendom to Apostolic Mission: Pastoral Strategies for an Apostolic Age: Monsignor James Shea
- How to Destroy Western Civilization and Other Ideas from the Cultural Abyss: Peter Kreeft
- Things Worth Dying For: Thoughts on a Life Worth Living: Bishop Charles Chaput
- The Holy Bread of Eternal Life: Restoring Eucharistic Reverence in an Age of Impiety: Peter Kwasniewski
- Under Siege: No Finer Time to Be a Faithful Catholic: Austin Ruse
- A Handbook on Catholic Sacramentals: Ann Ball
- Catechism of the Catholic Church (Paragraphs 1210–1690): Catholic Church
- General Principles of Sacramental Theology: Roger Nutt
- Meeting Christ in the Sacraments: Colman E. O'Neill, O.P.
- No Trifling Matter: Taking the Sacraments Seriously Again: Msgr. Nicola Bux
- Sacraments in Scripture: Salvation History Made Present: Tim Gray
- Swear to God: The Promise and Power of the Sacraments: Scott Hahn
- The Sacraments and Their Celebration: Nicholas Halligan, O.P.
- Understanding the Sacraments: A Guide for Prayer and Study: Fr. Peter Stravinskas
- Why Matter Matters: Philosophical and Scriptural Reflections on the Sacraments: David P. Lang
- A Church in Crisis: Pathways Forward: Ralph Martin
- Beheading Hydra: A Radical Plan for Christians in an Atheistic Age: Fr. Dwight Longenecker
- Curing Mad Truths: Medieval Wisdom for the Modern Age: Rémi Brague
- Deadly Indifference: How the Church Lost Her Mission and How We Can Reclaim It: Eric Sammons
- God or Nothing: A Conversation on Faith with Nicolas Diat: Cardinal Robert Sarah
- God's Undertaker: Has Science Buried God?: John Lennox
- Heroism and Genius: How Catholic Priests Helped Build—and Can Rebuild Western Civilization: William Slattery
- How Science Points to God: Gerard Verschuuren
- How to Destroy Western Civilization and Other Ideas From the Cultural Abyss: Peter Kreeft
- Is Atheism Dead?: Eric Metaxas
- It Is Right and Just: Why the Future of Civilization Depends on True Religion: Scott Hahn and Brandon McGinley
- Modernity on Endless Trial: Leszek Kołakowski
- Passage to Modernity: An Essay in the Hermeneutics of Nature and Culture: Louis Dupré
- Reason, Faith, and the Struggle for Western Civilization: Samuel Gregg
- Sex and the Unreal City: The Demolition of the Western Mind: Anthony Esolen
- Stealing From God: Why Atheists Need God to Make Their Case: Frank Turek
- The Crisis of Modernity: Augusto Del Noce
- The Devil and Karl Marx: Paul Kengor
- The Global Sexual Revolution: The Destruction of Freedom in the Name of Freedom: Gabriele Kuby
- The Idol of Our Age: How the Religion of Humanity Subverts Christianity: Daniel Mahoney
- The Modern Age: Fr. James Schall, S.J.
- The Return of the God Hypothesis: Three Scientific Discoveries That Reveal the Mind Behind the Universe: Stephen Meyer
- The Rise and Triumph of the Modern Self: Cultural Amnesia, Expressive Individualism and the Road to the Sexual Revolution: Carl Trueman
- The Sexual State: Jennifer Roback Morse
- Under Siege: No Finer Time to Be a Catholic: Austin Ruse
- Behold Your Mother: A Biblical and Historical Defense of Marian Doctrines: Tim Staples
- Cause of Our Joy: Walking Day by Day with Our Lady: Mother Mary Francis, P.C.C.
- Introduction to Mary: The Heart of Marian Doctrine and Devotion: Mark Miravalle, S.T.D.
- Madonna: Mary in the Catholic Tradition: Frederick M. Jelly, O.P.
- Our Lady and the Church: Hugo Rahner, S.J.
- Rethinking Mary in the New Testament: Edward Sri
- The Glories of Mary: St. Alphonsus Liguori
- The Marian Option: God's Solution to a Civilization in Crisis: Carrie Gress
- The Mother of the Savior and Our Interior Life: Fr. Reginald Garrigou-Lagrange
- The Reed of God: Caryll Houselander
- The World's First Love: Fulton J. Sheen
- True Devotion to Mary: St. Louis de Montfort
- An Intelligent Person's Guide to Catholicism: Alban McCoy
- Belief of Catholics: Ronald Knox
- Catechism of the Catholic Church: Catholic Church
- Fundamentals of Catholicism (3 Vols.): Fr. Kenneth Baker, S.J.
- Introduction to Christianity: Joseph Ratzinger (Pope Benedict XVI)
- Into All Truth: What Catholics Believe and Why: Milton Walsh
- Love Unveiled: The Catholic Faith Explained: Edward Sri
- Mere Catholicism: Ian Ker
- More Christianity: Finding the Fullness of the Faith: Fr. Dwight Longenecker
- One, Holy, Catholic, and Apostolic: The Early Church Was the Catholic Church: Kenneth D. Whitehead
- Orthodoxy: G. K. Chesterton
- The Catholic Catechism: Fr. John A. Hardon, S.J.
- The Catholic Passion: Rediscovering the Power and Beauty of the Faith: David Scott
- The Faith Explained: Leo Trese
- The Faith Understood: An Introduction to Catholic Theology: Mark J. Zia, S.T.D.
- The Light of Christ: An Introduction to Catholicism: Thomas Joseph White, O.P.
- The Spirit of Catholicism: Karl Adam
- Theology and Sanity: Frank Sheed
- Theology for Beginners: Frank Sheed
- Why Be Catholic? Ten Answers to a Very Important Question: Patrick Madrid
