Dive deep into the world of sharks, the most fascinating and misunderstood marine animals on the planet, in this stunning new edition of The Shark Handbook , written by Shark Week expert, Dr. Greg Skomal. Did you know that a whale shark’s spots are as unique as a fingerprint? Or that sharks can go into a trance when flipped upside down? Or that the Megallodon’s mouth was 6 feet across? With The Shark Handbook , jump into brand new facts about these fierce sea creatures! Explore all of the orders of sharks, such as: Ground sharks - Great white sharks - Mackerel sharks - Carpet sharks - and more! Learn about over 400 profiles of every shark in existence, from the first sharks living about 445 million years ago to the ones lurking in the ocean deep today. Starring spectacular, full-color photography that makes these jaw-dropping sharks come to life, this is the perfect gift for the shark enthusiast in your life. Dr. Greg Skomal, PhD is an experienced aquarist and Marine Fisheries Biologist at Martha's Vineyard Fisheries, Division of Marine Fisheries, Massachusetts. He's been keeping saltwater aquariums since childhood and has shared his extensive knowledge with viewers of National Geographic, the Discovery Channel, NBC's Today , and other media. Dr. Greg Skomal, PhD, is an experienced aquarist and Marine Fisheries Biologist at Martha's Vineyard Fisheries, Division of Marine Fisheries, Massachusetts. He's been keeping saltwater aquariums since childhood and has shared his extensive knowledge with viewers of National Geographic, the Discovery Channel, NBC's Today, and other media.