Books by Robert Michael Pyle
Last Man in Willapa
Last Man in Willapa
Washington, Evergreen
Washington, Evergreen
Nature Matrix
Nature Matrix
Tidewater Reach
Tidewater Reach
Magdalena Mountain
Magdalena Mountain
Chinook and Chanterelle
Through a Green Lens
Earth and Eros
Earth and Eros
Leave No Child Inside
Mariposa Road
Butterflies of the Pacific Northwest
Sky Time in Gray's River
The Butterflies of Cascadia
Nature's Fading Chorus
Walking the high ridge
Chasing Monarchs
National Audubon Society Field
National Audubon Society Field Guide to North American Butterflies
The thunder tree
Handbook for butterfly watchers
The Audubon Society handbook for butterfly watchers
A field guide to butterflies coloring book
The Audubon Society field guide to North American butterflies
Watching Washington butterflies
The butterflies of the Higline
The butterflies of the Higline Cannal of Colorado