With up to 3,000 teeth, a mouth that can open up to 4 feet wide, and weighing up to 5,000 pounds, it's no wonder the great white shark rests at the top of the ocean's food chain. Exciting text and chilling photographs teach readers what makes this shark so impressive--and so scary! As readers learn all about this monster of the sea, they strengthen their knowledge of essential science concepts. They also learn fun facts about the great white shark, including the fact that great white sharks have been cruising the world's oceans for over 400 million years!.