Butterflies of British Columbia: Including Western Alberta, Southern Yukon, the Alaska Panhandle, Washington, Northern Oregon, Northern Idaho, and Nor
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About the Author
Crispin S. Guppy is a wildlife habitat biologist and entomologist who lives in Quesnel, B.C. Jon H. Shepard is a biodiversity consultant and entomologist living in Nelson, B.C. Both have had a lifelong interest in the study of butterflies and have published extensively in the field.