Greg Skomal is one of the world's leading shark experts: many thousands of viewers know him as the ''Shark Guy'' on Discovery Channel and he's affiliated with the Woods Hole Oceanographic Institute. So if you're dreaming of swimming with sharks, there's no one better to take you--and that's exactly what he does in this comprehensive, stunning field guide. In addition to an awesome gatefold poster of a Great White (with all its distinguishing features shown in detail), plus amazing original images from Skomal and award-winning National Geographic photographer Nick Caloyianis, it contains a complete listing of every known shark in existence as well as some extinct species. Learn about sharks from their birth to death, their anatomy, how to distinguish one shark from the next, how their teeth are developed, how they hunt and attack, and their importance and purpose within our eco system.