| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Business Transactions in Germany : Loseblattsammlung | 978-3-406-09524-5 (3-406-09524-0) | 2011 | Dennis Campbell · Bernd Rüster · Mark Andres · Peter Chrocziel · Hartmut Dietrich · Carsten R. Eggers · Uwe Dreiss | |
| character colouring | 978-1-5272-0642-7 (1-5272-0642-4) | 2017 | ||
| Running The Dusk | 978-1-84523-155-2 (1-84523-155-4) | 2010 | ||