| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| An Intelligent Person's Guide to Catholicism | Paperback | 978-0-8264-7672-2 | 2005 |
| An Intelligent Person's Guide to Catholicism | " | 978-0-8264-6309-8 | 2003 |
| An Intelligent Person's Guide to Christian Ethics | " | 978-0-8264-7673-9 | 2006 |
| An Intelligent Person's Guide to Christian Ethics | Hardcover | 978-0-8264-7359-2 | 2004 |
| Etyka chrzescijanska | Taschenbuch | 978-83-7033-609-7 | 2008 |
| Katolicyzm | Paperback | 978-83-7033-589-2 | 2007 |