| title | ISBN-13 | year of publication | |
|---|---|---|---|
| Earth 2 | 978-0-441-00146-0 | 1994 | |
| Earth 2 - Das Eden Projekt | 978-3-8025-2334-2 | 1996 | |
| Elephant Speak: A Devoted Keeper's Life Among the Herd | 978-1-947845-10-7 | 2020 | |
| Search and Rescue | 978-0-441-00122-4 | 1994 | |
| Shell Game | 978-0-671-79572-6 | 1993 | |
| Shell Game | 978-1-85286-459-0 | 1993 |
Ace · Ooligan Press · Simon & Schuster · Titan Books Ltd