Ultimate Ocean-pedia: The most complete ocean reference ever (National Geographic Kids)The most complete and comprehensive ocean encyclopedia ever! Love the ocean? Then this book is for you! Inside youll discover the creatures, science, and ecology of our oceans, from tsunamis and sea turtles to riptides and reefs. Learn how waves form, discover underwater mountains, and get tips on how you can protect the ocean. Amazing facts, photos, illustrations, and diagrams are found throughout, along with conservation tips, weird but true facts,