Descend into the vast, hidden depths of Earth"s oceans and discover an amazing world in this stunning visual encyclopedia. Learn about underwater volcanoes, magical coral reefs, and intrepid ocean explorers. Find out what causes devastating tsunamis and hurricanes. Explore ancient shipwrecks and encounter extraordinary marine life. Full of astonishing facts, eye-opening explanations, and superb images, Ocean: A Children"s Encyclopedia is the ultimate guide to a world unlike any other.