Butterflies Through Binoculars Butterflies Through Binoculars: The Easta Field Guide to the Butterflies of Eastern North America, (Paperback)

This magnificent field guide greatly expands on Butterflies Through Binoculars: The Boston-New York-Washington Region--identified by Defenders of Wildlife Magazine as "the first to focus on netless butterflying" and called "a clear winner" by the Audubon Naturalist.

Glassberg here shows us how to find, identify, and enjoy all of the butterflies native to the eastern half of the United States and southeastern Canada.