National Geographic · Random House
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Bush Versus the Environment | 978-1-4000-7521-8 (1-4000-7521-1) | 2004 |
| National Geographic Guide to America's Outdoors: Pacific Northwest: Nature Adventures in Parks, Preserves, Forests, Wildlife Refuges, Wilderness Areas | 978-0-7922-7740-8 (0-7922-7740-6) | 2000 |
| National Geographic Traveler: Alaska | 978-0-7922-5371-6 (0-7922-5371-X) | 2006 |
R.D. · R. S. · Robert D. · Robert S. · S D