A Field Guide to the Birds East of the Rockies by Roger Tory Peterson

A classic Peterson field guide for identifying birds found east of the Rocky Mountains. This compact guide is a practical pick for birdwatchers, nature lovers, gardeners, hikers, and anyone who enjoys learning the birds that visit their yard or landscape.
Sponsored by the National Audubon Society, this edition features durable field binding, making it easy to carry along for outdoor observation or keep nearby as a nature reference.