What are groups of sharks called? How do sharks breathe? Where can people go to see them? There are about 375 different kinds of sharks in the world! Come, discover the world of sharks! Valerie Bodden tells you about where they live, what they eat, how much they swim and much more... This book has amazing photographs in colour and fascinating facts about sharks, big and small, alone or in groups, in shallow or deep water. Also included is a story from folklore about why sharks have a bump on their head.