A prolific author, he has published over 250 books. Most of his books have been translated into Portuguese.
Here is a list of some of his notable books:
- The Garden of Eden: Tells the story of the creation of the world and the Garden of Eden.
- The Flood: Is a dramatization of the biblical flood.
- The Exodus: Is a retelling of the Exodus story.
- The Ten Commandments: Is a fictionalized account of the giving of the Ten Commandments.
- The Passion of Christ: Is a detailed history of the passion and death of Jesus Christ.
- The Acts of the Apostles: Contains stories about the Apostles after the death and resurrection of Jesus.
- The Book of Revelation: Is a study of the Book of Revelation.
- The Holy Rosary: Is a guide to the rosary, a prayer that is said by Roman Catholics.
- The Lives of the Saints: Contains brief biographies of saints.
- The Catholic Encyclopedia: Is a comprehensive reference work on the Catholic faith.