DK 
Knowledge Encyclopedia Ocean! 
Our Watery World As You’ve Never Seen It Before

Dive into our planet”s largest and least explored world in this stunning encyclopedia of everything ocean – including whales, waves, wrecks, wind farms, and more!
Using 3D computer illustrations to show cross-section views and a level of detail you can”t find in other ebooks, this children”s ocean encyclopedia takes you on a world tour of the waters that cover 70 percent of our planet. Including sharks, jellyfish, turtles, dolphins, octopuses, penguins, and seahorses, you will see the fish, invertebrates, and other animals that call the ocean home and learn how their anatomy and behaviour is adapted to deal with a watery habitat.
Discover the geography, geology, and ecology that lies beneath the waves – from the dramatic landscapes of the deepest trench and towering underwater chimneys, to coastal coral reefs and kelp forests teeming with life. Find out, too, about the science behind the seas. How do islands form? What are tsunamis? How can you help with marine conservation?
Beautifully illustrated and full of facts, Knowledge Encyclopedia Ocean is the ultimate reference book for children curious about our planet”s watery world.