| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Introduction to California Birdlife | Hardcover | 978-0-520-23861-9 (0-520-23861-3) | 2005 | |
| Introduction to California Birdlife | Paperback | 978-0-520-24254-8 (0-520-24254-8) | 2005 | Mr. Ian Tait |
| Natural History of the Point Reyes Peninsula: Fully Revised and Expanded Edition | " | 978-0-520-25467-1 (0-520-25467-8) | 2008 | |