| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Chanterelle: A Rocky Mountain Mushroom Book | 978-0-933472-97-6 | 1985 | Cyndi Nelson |
| Country-by-country Guide | 978-0-439-55004-8 | 2006 | |
| Kinnikinnick: The Mountain Flower Book | 978-0-933472-09-9 | 1980 | |
| Saguaro: The Desert Flower Book | 978-0-933472-69-3 | 1982 | |
| Sierra: Mountain Flowers | 978-0-933472-57-0 | 1983 | |
| The United States of America: State-by-State Guide | 978-0-439-82765-2 | 2006 | Cyndi Nelson |
| United States Of America: A State-by-state Guide | 978-0-439-27259-9 | 2001 | " |