National Audubon Society Field Guides are filled with concise descriptions, stunning, colored photographs, maps of the night sky, geological drawings, and much more. The complete set is available to you, each signed by author, Peter Alden. Every book is filled with wildflowers, trees, fishes, birds, butterflies, weather patterns, and more. The easy-to-use guides also contain information about favorite natural recreation areas, such as parks, wildlife sanctuaries, and forests.