| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| 10 X 10: Ten years by ten opinions | 978-0-908081-20-2 (0-908081-20-0) | 1990 |
| Four Witnesses: The Early Church in Her Own Words | 978-0-89870-847-9 (0-89870-847-8) | 2002 |
| The Apostasy That Wasn't: The Extraordinary Story of the Unbreakable Early Church | 978-1-941663-49-3 (1-941663-49-4) | 2015 |
Catholic Answers Press · Garry Sparke & Associates · Ignatius Press