If you find yourself searching for a comprehensive guide to local birds, there’s no doubt Birds of Montana (Buteo Books, $79) should be in your reference library. This book is a grander compilation of exactly what you might imagine a field guide on birds to be—dense, scientific, and thorough. The choice to include historical notes and conservation sections in this Montana Audubon–sponsored copy makes Birds of Montana unique from other outdated and standardized guides. The book also addresses climate shifts, as it accounts for and gives value to native birds as well as present-day species’ populations and ranges. Whether you’re a recreational bird-watcher or a professional ornithologist, this gigantic tome is a wonderful tool to better understanding the vibrant winged world.