Fr. Sandquist compiled this list of books that he recommends Catholics should have in their home libraries. The categories are Catechism, Apologetics, Church Teachings, Scripture, Ascetical Theology, and Spiritual Reading. Hyperlinks are provided.

Catechism:
Baltimore Catechism by Connell (Book 1 and Book 2 for children; Book 3 and Workbook for teenagers/adults)
My Catholic Faith by Most Reverend Louis LaRavoire Morrow, paperback or hardbound (for teenagers/adults)
The Catechism Explained by Fr. Francis Spirago (for adults)
Chief Truths of the Faith by Fr. John Laux (teenagers/adults)
Apologetics:
Apologetics by Msgr. Paul J. Glenn
Catholic Apologetics by Fr. John Laux
Radio Replies Volume 1, Volume 2, Volume 3, by Frs. Rumble and Carty
Church Teachings:
Catholic Morality by Fr. John Laux
Moral Theology by Rev. Heribert Jone
Scripture:
The Holy Bible, Douay Rheims version (or Confraternity)
Where We Got the Bible by Fr. Henry Graham
A Practical Commentary on Holy Scripture by Bishop Frederick Justus Knecht, DD
Introduction to the Bible by Fr. John Laux
Ascetical Theology: (Spiritual Life)
How to Improve Your Disposition by D.F. Miller, CSsR
The Four Last Things by Fr. Martin von Cochem
My Imitation of Christ by Thomas a Kempis
My Daily Bread by Anthony J. Paone, S.J.
How To Be Happy How To Be Holy by Fr. Paul O’Sullivan
The Twelve Steps to Holiness and Salvation by St. Alphonsus Liguori
The Sinner’s Return to God by Rev. Michael Mueller, CSsR
The Spiritual Exercises of St. Ignatius by St. Ignatius
An Introduction to the Devout Life by St. Francis de Sales
The Soul of the Apostolate by Dom Jean Baptiste Chautard, OSCO
The Spiritual Life by Fr. Adolphe Tanquerey, SS, DD
Spiritual Reading:
True Devotion to Mary by St. Louis de Montfort
The Rosary in Action by John S. Johnson
Lives of the Saints for Every Day in the Year by Fr. Alban Butler
His Humble Servant (about Pope Pius XII) by Sr. Maria Pascalina Lehnert
The Story of a Soul –an autobiography of St. Therese of Lisieux
The Shadow of His Wings–an autobiography of Fr. Gereon Goldmann, OFM
St. John Bosco by F.A. Forbes
It’s Time to Meet St. Philomena by Dr. Mark Miravalle
The Cure’ of Ars by Fr. Bartholomew O’Brien
St. Maria Goretti by Fr. Godfrey Poage, CP
The Life of Fr. de Smet, S.J. by Fr. E. Laveille, SJ
Blessed Miguel Pro by Ann Ball
The Perfect Joy of St. Francis a novel by Felix Timmermans
++++++++++++++++++++++++++++++++++++++++++++++++++++++
For other resources on the Catholic faith, Fr. Sandquist recommends Traditional Catholic Sermons and Articles on the Traditional Catholic Faith at Congregation of Mary Immaculate Queen.