| title | media type | ISBN-13 | year of publica-
tion | other author(s) |
|---|
| A Field Guide to the Grand Canyon 2nd Edition | Paperback | 978-0-89886-489-2 | 1996 |
| A Sierra Club Naturalist's Guide to the Sierra Nevada | Hardcover | 978-0-87156-215-9 | 1982 |
| A Sierra Club Naturalist's Guide to the Sierra Nevada | Paperback | 978-0-87156-216-6 | 1979 |
| Field Guide to the Cascades and Olympics | " | 978-0-89886-077-1 | 1983 |
| Mac's Pocket Guide: Glacier National Park, Birds & Mammals | Pamphlet | 978-1-59485-023-3 | 2005 | Elizabeth Briars |
| Mac's Pocket Guide: Glacier National Park, Trees & Flowers | Paperback | 978-1-59485-022-6 | 2005 | " |
| Mac's Pocket Guide: Grand Canyon National Park, Birds & Mammals | Pamphlet | 978-1-59485-020-2 | 2005 |
| Mac's Pocket Guide: Grand Canyon National Park, Trees, Flowers, & Cacti | " | 978-1-59485-027-1 | 2005 |
| Mac's Pocket Guide: Isle Royal National Park | " | 978-1-59485-021-9 | 2005 | Elizabeth Briars |
| Mac's Pocket Guide: Southwest, Park & Garden Birds | " | 978-1-59485-017-2 | 2005 | " |
| Mac's Pocket Guide: Southwest, Things That Bite & Sting | Paperback | 978-1-59485-018-9 | 2006 | " |
| Nature Walks in & Around Seattle: All-Season Exploring in Parks, Forests, and Wetlands | " | 978-0-89886-525-7 | 1997 | Cathy M. McDonald |
| Western Forests | " | 978-0-394-73127-8 | 1985 |