| title | ISBN-13 | year of publica- tion | |
|---|---|---|---|
| Code Name: Gentkill | 978-0-449-14902-7 | 1996 | |
| Freedom to Kill | 978-0-449-14994-2 | 1998 | |
| Land der Freiheit | 978-3-548-24683-3 | 2000 | |
| The Big Scam: A Novel of the FBI | 978-0-7432-5000-9 | 2005 | |
| Witness to the Truth | 978-0-449-14794-8 | 1994 |