Mike Aquilina, vice-president of the St. Paul Center for Biblical Theology, has authored or edited more than a dozen books on Catholic history, doctrine, and devotion, including the best-selling What Catholics Believe. He is currently co-host of EWTN's "Swear to God" and a regular panelist on "The Weekly Roman Observer" broadcast by the Catholic Family Network.
Father Kris D. Stubna received his doctorate in theology from the Pontifical Gregorian University in Rome. He is the diocesan secretary for education for the Diocese of Pittsburgh. Father Stubna is the author or co-author of several books, including A Pocket Catechism for Kids.