* _Sun of the Morning:_ A novel about the life of Tecumseh, Shawnee chief and warrior (1952)
* _The City of the Singing Flame_: A novel about the ancient city of Jerusalem and its conquest by the Roman Empire (1953)
* _The Beloved Enemy_: A historical romance set in the American Civil War (1955)
* _The Candle Flame:_ A novel about the life of St. Francis of Assisi (1957)
* _The Song of Bernadette_: A biography of St. Bernadette Soubirous, the visionary of Lourdes (1958)
* _Fire in the Sky:_ A novel about the Pueblo Revolt of 1680 (1959)
* _The Hand of the Stranger:_ A novel about the early days of the Catholic Church in the United States (1960)
* _Behold Your King_: A novel about the life of Christ (1962)
* _The Eye of the Storm_: A novel about the Mexican Revolution (1963)
* _The Siege of the Innocents_: A novel about the French Revolution (1964)
* _Song of the Dove:_ A novel about the life of St. Thérèse of Lisieux (1966)
* _The Valley of the Shadow:_ A novel about the Civil Rights Movement (1967)
* _Wings of Fire:_ A novel about the life of St. Joan of Arc (1968)
* _The House of God_: A novel about the life of a Catholic priest in the modern world (1969)
* _The Book of Ruth_: A novel about the life of Ruth, the Moabite woman who became a devoted follower of God (1970)
Non-fiction
* _The Way to Happiness:_ A guide to finding happiness through the teachings of Christ (1951)
* _The Meaning of Life:_ A discussion of the meaning and purpose of life (1952)
* _The Power of Prayer:_ A look at the power of prayer and how it can help us in our daily lives (1953)
* _The Ten Commandments:_ A commentary on the Ten Commandments and their relevance to our lives today (1954)
* _The Seven Deadly Sins:_ A discussion of the seven deadly sins and how we can avoid them (1955)
* _The Virtues:_ A look at the virtues and how they can help us to live a more fulfilling life (1956)
* _The Sacraments:_ A discussion of the sacraments and their importance in our spiritual lives (1957)
* _The Church:_ A look at the history and teachings of the Catholic Church (1958)
* _The Bible:_ A study of the Bible and its teachings (1959)
* _The Saints:_ A look at the lives of the saints and how they can inspire us to live more holy lives (1960)