My Catholic Faith
Bishop Louis LaRavoire Morrow
Credo: Compendium of the Catholic Faith
Bishop Athanasius Schneider
Shorter Summa
St. Thomas Aquinas
The Catechism Explained
Fr. Francis Spirago
Faith of the Early Fathers
Fr. William Jurgens
Theology for Beginners
Frank Sheed
A Key to the Doctrine of the Eucharist
Dom Anscar Vonier