| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Peregrine: The Private Life of the Peregrine Falcon | Paperback | 978-0-905920-00-9 (0-905920-00-7) | 1977 |
| Peregrine: The Private Life of the Peregrine Falcon | Hardcover | 978-0-905920-01-6 (0-905920-01-5) | 1977 |