Discover menacing sharks, playful dolphins, clownfish, penguins, turtles, whales, shimmering jellyfish and gargantuan giant squid. Ocean: Secrets of the Deep is jam-packed with hundreds of stylish illustrations and many more surprising facts about the world's marine life. First, readers are taken on a journey from the water's surface to the deepest, darkest depths of the oceans, stopping off at coral reefs and kelp forests. Next, information-packed spreads offer answers to questions such as: How do turtles keep clean? Do whales talk to each other? and What can humans do to save the ocean?