Discover the mighty fish that have ruled the oceans since prehistoric times in this picture-packed guide to the extraordinary shark family. Did you know that sharks first appeared in the oceans 200 million years before the dinosaurs, and that they have an electrical sixth sense that helps them locate their prey? How dangerous is a great white shark? Can a whale shark really grow as big as a city bus? If you find yourself seeking the answers to these questions, then this may be the book for you! Discover where they live, why they are hunted, and what can be done to protect them. The book even takes you inside a shark to learn how it eats and breathes. It explains, too, how they can swim so fast and how different tail shapes affect the way each species moves. You'll see for yourself how a lemon shark is born, and which looks stranger, the hammerhead or the horn shark. Learn, too, about their relatives, the manta rays and skates. Throughout the pages of this newly-revised incredible history book, you can expect to find: -Up to 20 percent new images, including photography and updated diagrams-All information updated by expert consultants-Packed with amazing facts, infographics, statistics, and timelines-Includes brand new eyewitness accounts from experts in the field So, what's new? Part of DK's best-selling Eyewitness series, this popular title has been reinvigorated for the next generation of information-seekers and stay-at-home explorers, with a fresh new look, up to 20 percent new images, including photography and updated diagrams, updated information, and a new "eyewitness" feature with fascinating first-hand accounts from experts in the field.Explore the series! Globally, the Eyewitness series has sold more than 50 million copies over 30 years. Join the journey to combat climate change with Eyewitness Climate Change or take a trip aboard the most famous ship in history with Eyewitness Titanic.