Best-selling author Sy Montgomery and award-winning illustrator Matt Patterson have collaborated on a beautiful and moving book titled "Of Time and Turtles: Mending the World, Shell by Shattered Shell." The book springs primarily from their experience volunteering for Turtle Rescue League, an organization devoted to rescuing turtles, nursing injured turtles back to health, and trying to safeguard their survival. We are told a great deal about this beautiful creatures, of which there are more than 300 varieties, and which constitute the single most endangered major animal group in the world.