Sail across spectacular seas and discover the mind-boggling marine life of the world's oceans. Find out about the five great oceans on our planet, and learn about their biological and geographical features. Explore the deepest depths of the Mariana Trench, spot shipwrecks at the bottom of the sea, and uncover the beauty of the Great Barrier Reef. This book will teach children about the incredible oceans and seas that cover around seventy per cent of our world. Dive in with amazing illustrations, discover how we can protect our oceans, and stock up on facts to amaze your friends.

What is an ocean? -- How are oceans formed? -- Blue planet -- Ocean zones -- Ocean floor -- Frozen features -- Life on the ice -- Icebergs -- Shipwrecks -- Ocean homes -- Fish food -- Defense mechanisms -- Ocean hunters -- Dangerous waters -- Ocean motion -- Seabirds -- Island hot spots -- Coral reefs -- Giants of the ocean -- Marine migrators -- Underwater explorers -- Ocean exploration -- Sea supplies -- Threatened -- Climate change -- Meet the expert -- Protecting our oceans -- Oceans facts and figures.