A Field Guide to the Birds: Giving Field Marks of all Species Found East of the Rockies (Revised & Enlarged)

xxiv, 230 pp. Text and illustrations by Roger Tory Peterson. Color and black and white illustrations. "Roger Tory Peterson (August 28, 1908 – July 28, 1996), was an American naturalist, ornithologist, artist, and educator, and held to be one of the founding inspirations for the 20th century environmental movement." - Wikipedia