Who was Thomas Aquinas, and why is he such a big deal?

How does St. Thomas prove the existence of God by reason alone?

What is the Summa Theologica, and what are its major parts, topics, and arguments?

How can Thomistic teachings on theology, philosophy, morals, and prayer help us become better Christians?

The portly thirteenth-century Dominican friar Thomas Aquinas lived less than fifty years, but during that time he became one of the greatest theologians in the history of the Catholic Church—and one of the greatest minds in the history of the world. 20 Answers: St. Thomas Aquinas offers a handy and accessible introduction to the life and thought of this intellectual and spiritual giant, breaking down key themes of his writing and offering a ground-floor lesson on the faithful synthesis of Catholic teaching and classical philosophy that became known as "Thomism."

The 20 Answers Series from Catholic Answers offers hard facts, powerful arguments, and clear explanations of the most important topics facing the Church and the world—all in a compact, easy-to-read package. Check out dozens of other topics in the 20 Answers Series of booklets published by Catholic Answers Press. New titles added regularly.