How dangerous is a great white shark? How common are shark attacks and how can you avoid them? How big can a whale shark get?In Eyewitness Shark, discover lots of weird and wonderful facts about these fascinating creatures, where they live, why they are hunted, and what is done to preserve them. Did you know, for example, that the first sharks existed before the dinosaurs? And that sharks have a sixth sense that helps them locate prey?Look inside a shark to learn how it eats and breathes. Find out how sharks can swim so fast and how different tail shapes affect the way different shark species move. See how a lemon shark is born, and how to tag a blue shark. Which shark has the strangest look - a hammerhead shark or a horn shark?Eyewitness Shark is packed with exciting information and stunning photography and illustrations. A fact-filled wall chart adds extra educational value.Part of the best selling DK Eyewitness series, it is the perfect reference book for childre