| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| A Field Guide to the Grand Canyon 2nd Edition | 978-0-89886-489-2 | 1996 | |
| Field Guide to the Cascades & Olympics | 978-0-89886-808-1 | 2004 | Rob Sandelin |
| Glacier National Park Birds & Mammals | 978-1-59485-023-3 | 2006 | Elizabeth Briars Hart |
| Glacier National Park Flowers & Trees | 978-1-59485-022-6 | 2006 | " |
| Isle Royale National Park | 978-1-59485-021-9 | 2006 | " |
| Mac's Pocket Guide Grand Canyon National Park Birds & Mammals | 978-1-59485-020-2 | 2006 | " |
| Mac's Pocket Guide Grand Canyon National Park Flowers, Trees, & Cacti | 978-1-59485-027-1 | 2006 | " |
| Mac's Pocket Guide: Southwest Park & Garden Birds | 978-1-59485-017-2 | 2006 | Elizabeth Briars |
| Southwest Things That Bite & Sting | 978-1-59485-018-9 | 2006 | Elizabeth Briars Hart |
S R · S W · Stephen R. · Stephen W. · Stephen Whitney