| title | ISBN-13 | year of publica- tion |
|---|---|---|
| The Chameleon Conspiracy | 978-0-8439-6191-1 | 2009 |
| The Red Syndrome | 978-0-8439-6041-9 | 2008 |
| The Red Syndrome: A Dan Gordon Intelligence Thriller | 978-1-58642-105-2 | 2006 |
| Triple Identity | 978-0-8439-6040-2 | 2008 |
| Triple Identity: An Intelligence Thriller | 978-1-58642-090-1 | 2005 |