| title | ISBN-13 | year of publication |
|---|---|---|
| The Fourth Reich: A Novel | 978-0-440-23607-8 | 2000 |
| The Sign | 978-1-58134-232-1 | 2000 |
| The Sign | 978-0-89107-756-5 | 1992 |
| The Sign Of Christ's Coming And The End Of The Age | 978-1-58134-067-9 | 1999 |
R.K. · Robert D. Van Kampen · Robert K. · Robert V. · V. K. · Van Kampen