1999. Peter Alden and Dennis Paulson. This volume covers the states of New York, Pennsylvania, New Jersey, Maryland, Delaware, West Virginia, and Virginia. An easy-to-use field guide for identifying 1,000 of the region's wildflowers, trees, mushrooms, mosses, fishes, amphibians, reptiles, birds, butterflies, mammals, and more. Contains a complete overview of the Mid-Atlantic region's natural history, covering geology, wildlife habitats, ecology, fossils, rocks and minerals, clouds and weather patterns, and the night sky. 448 pages, flexi-bound, full-color photographs, drawings, and maps.