A compact photographic guide to the wildflowers, trees, mosses, butterflies, fish, amphibians, reptiles, birds and mammals of the Mid-Atlantic States. Apart from its 1,000 photographs, the book also includes an overview of the ecology and habitats of the region and a list of parks and reserves. It covers all of New York, Pennsylvania, New Jersey, Maryland, Delaware, West Virginia and Virginia.  (USE73, $19.95)