| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Butterflies | Hardcover | 978-1-57145-018-0 | 1995 | |
| DK Science Encyclopedia | " | 978-0-7894-2190-6 | 1999 | Martyn Foote |
| Freshwater Life | Paperback | 978-1-903954-79-9 | 2004 | |
| Freshwater Life | Hardcover | 978-1-57145-019-7 | 1995 | |