G.O. · Giorgio Olmi · Grace Oualline
Western National Parks Association · Western Natl Parks Assoc
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| 50 Common Mammals of the Southwest | 978-1-58369-006-2 (1-58369-006-9) | 2000 |
| House in the Sun: A Natural History of the Sonoran Desert | 978-1-877856-39-6 (1-877856-39-8) | 1994 |