Robert Michael Pyle
38 works on record
Works
Sky Time in Gray's River
2007
Butterflies
2003
The Butterflies of Cascadia
2002
Walking the high ridge
2000
Nature's Fading Chorus
2000
Chasing Monarchs
1999
Where Bigfoot walks
1995
National Audubon Society field guide to North American butterflies
1995
The thunder tree
1993
Insects
1993
Handbook for butterfly watchers
1992
Wintergreen
1986
The Audubon Society handbook for butterfly watchers
1984
The Audubon Society field guide to North American butterflies
1981
Watching Washington butterflies
1974
The butterflies of the Higline Cannal of Colorado
1971
The tangled bank
Chasing monarchs
Mariposa road
The Audubon Society handbook for butterfly watchers
Leave No Child Inside
Butterflies of the Pacific Northwest
Magdalena Mountain
Mariposa Road
Tidewater Reach
Through a Green Lens
Nature Matrix
Wintergreen
Having Everything Right
Earth and Eros
Chasing Monarchs
Where Bigfoot Walks
Chinook and Chanterelle
A field guide to butterflies coloring book
Sky Time in Gray's River
Washington, Evergreen
National Audubon Society Field Guide to North American Butterflies
Last Man in Willapa