Contains basic information on a ocean, in simple text and photographs, including what lives there, where they are found, and describes their essential characteristics.
Examines the four zones of marine biomes, their plants and animals, coral reefs and estuaries, the importance of the oceans to the Earth, and why they are in danger.
Examines plant and animal life, minerals, and other riches below the surface of the ocean, and the potential havoc that humans can wreak in harvesting resources from the seas.
Describes the characteristics, plants, and animals of ocean environments, and discusses their importance to life on Earth. Includes illustrations and maps.