| title | media type | ISBN-13 | year of publica- tion |
|---|---|---|---|
| Arctic Fox: Life at the Top of the World | Hardcover | 978-1-55407-341-2 | 2008 |
| Frog Rescue: Changing the Future for Endangered Wildlife | Paperback | 978-1-55297-596-1 | 2004 |
| Frog Rescue: Changing the Future for Endangered Wildlife | Hardcover | 978-1-55297-597-8 | 2004 |
| Rhino Rescue: Changing the Future for Endangered Wildlife | Library Binding | 978-1-55297-912-9 | 2006 |