| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Hiking the Great Northwest: The 55 Greatest Trails in Washington, Oregon, Idaho, Montana, Wyoming, British Columbia, Canadian Rockies, and Northern California | 978-O-89886-591-2 (O-89886-591-3) | 1998 | Ira Spring · Harvey Manning · Vicki Spring |