"The Audubon Society Field Guide To North American Birds: Eastern Region" is a comprehensive guide to identifying birds in the Eastern United States. Published in 1977 by Knopf Doubleday Publishing Group, the book features detailed descriptions and illustrations of various bird species found in the region. Written by John Bull and John Farrand Jr., the guide is a valuable resource for bird enthusiasts looking to learn more about the avian life in their area. With its informative content and dedication to the Audubon Society, this book is a must-have for anyone interested in birdwatching.