"A Field Guide to Western Birds by Roger Tory Peterson is a vintage 1961 hardcover book from the Peterson Field Guides series. Published by the National Audobon Society, this illustrated guide is perfect for young adults and adults interested in nature and birds. With a total of 309 pages, this book provides detailed information and illustrations on various western bird species, making it a valuable resource for bird enthusiasts and naturalists." Some minor water damage on a few pages, see photos for more details and some pencil writing on the drawings (see photos).