| title | ISBN-13 (ISBN-10) | year of publication | |
|---|---|---|---|
| Orchideen. Das neue kompakte Bestimmungsbuch | 978-3-8290-1293-5 (3-8290-1293-4) | 1999 | |
| Practical Entomologist | 978-0-671-74695-7 (0-671-74695-2) | 1992 | |
| Wildflowers: How to Identify Flowers in the Wild and How to Grow Them in Your Garden | 978-0-7858-1259-3 (0-7858-1259-8) | 2001 |
Chartwell Books · Könemann · Simon & Schuster