. . "SCIENCE / Earth Sciences / Oceanography" . . "NATURE / Ecosystems & Habitats / Oceans & Seas" . . . . . "Complete idiot's guide" . . . "The complete idiot's guide to the oceans" . . . . . . "Electronic books" . . "Oceans" . . . . "Guides readers on a tour of the ocean environment, taking a close look at marine life, ocean exploration, and the problems the world's oceans face in the future." .