Ashgate Publishing Limited · HarperCollins
| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| A Death in Time | 978-0-00-232123-5 | 1987 | ||
| Baedeker Allianz Reiseführer China | 978-3-87504-122-4 | 2002 | ||
| Death and Remembrancer | 978-0-00-232169-3 | 1988 | ||
| Space Law | 978-0-7546-4390-6 | 2009 | Paul B. Larsen | |