Ever wonder how many kinds of turtles there are? Or if they have teeth? Why so many turtles have yellow stripes on their neck? If it is wise to feed turtles in your neighborhood pond or lake? Whit Gibbons and Judy Greene, two internationally known turtle biologists, provide complete answers to the most frequently asked questions about the more than 300 turtle, tortoise, and terrapin species of the world. From the palm-sized bog turtles of...