| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| An Exchange of Eagles | Hardcover | 978-0-00-223155-8 | 1987 |
| Brandenburg Graduates | Paperback | 978-0-00-617211-6 | 1986 |
| Het Manninger Syndicaat | " | 978-90-449-2568-5 | 1995 |
| K. G. B. Candidate | " | 978-0-00-617459-2 | 1988 |
| Petrograd Consignment | " | 978-0-7088-1727-8 | 1980 |
| Triple Factor | " | 978-0-00-616866-9 | 1984 |
| Triple Factor | Hardcover | 978-0-00-222372-0 | 1982 |
Bruna Uitgevers, A.W. · Futura Publications · HarperCollins