| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Conures | Hardcover | 978-0-7938-3770-0 (0-7938-3770-7) | 2007 |
| Pets and the Planet: A Practical Guide to Sustainable Pet Care | Paperback | 978-0-470-27573-3 (0-470-27573-1) | 2009 |
| Pets and the Planet: A Practical Guide to Sustainable Pet Care | 978-0-470-45896-9 (0-470-45896-8) |