books.google.com - Once a familiar backyard visitor in many parts of the United States and Mexico, the box turtle is losing the battle against extinction. In North American Box Turtles, C. Kenneth Dodd, Jr., has written the first book-length natural history of the twelve species and subspecies of this endangered animal....http://books.google.com/books/about/North_American_Box_Turtles_A_Natural_His.html?id=Vgpz0d16GpEC&utm_source=gb-gplus-shareNorth American Box Turtles: A Natural History