DK 
My Encyclopedia of Very Important Oceans 

This exciting introduction to oceans is brimming with curious creatures, beautiful homes, and incredible adventures.
Dive in and explore forgotten shipwrecks, swim with fabulous fish and other awesome underwater animals, and weave your way through secret deepsea homes. You“ll travel back in time to meet plundering pirates, scientists, and explorers who changed the course of history, then it“s time to learn about lots of very important underwater jobs and how you can help to protect Earth“s precious oceans.
Includes fun facts and colourful illustrations, My Encyclopedia of Very Important Oceans will feed your imagination and quench your thirst for knowledge.