If the word trinity isn't in Scripture, why is it such an important part of our faith? And if the Bible can be interpreted in many ways, how do we know what to make of it? And who decided what should be in the Bible anyway?

The Church Fathers provide the answers. These brilliant, embattled, and sometimes eccentric men defined the biblical canon, hammered out the Creed, and gave us our understanding of sacraments and salvation. It is they who preserved for us the rich legacy of the early Church.

D'Ambrosio dusts off the dry theology and brings you the exciting stories and great heroes such as Ambrose, Augustine, Basil, Athanasius, Chrysostom, and Jerome. This page-turner will inspire and challenge you with the lives and insights of these seminal teachers from when the Church was young.

Marcellino D'Ambrosio is a world-renowned commentator on religious issues. With a Ph.D. in theology (under Cardinal Avery Dulles), nine years of university teaching, and hundreds of published articles, Marcellino has a wealth of knowledge and knows how to make it accessible for a wide variety of audiences. As "Dr. Italy," D'Ambrosio has a popular website, Facebook page, and Twitter feed and appears weekly on a variety of Catholic TV and radio networks. He is the coauthor of the million-copy bestseller The Guide to the Passion.