Did you know that great white sharks have 300 teeth?! Nature's Children series provides young readers (Ages 8-10) with fascinating information about the planet's most incredible wildlife species. Each title offers a complete picture of the animal- from birth to adulthood- and describes its place in our world, including how humans impact it and its environment. Did you know that great white sharks breathe by letting water flow into their open mouths-or that they have about 300 teeth? These top predators are also at risk due to overhunting.