Explores the diversity of life in the sea, including predators and prey, the coral reef, and life in the twilight zone of the ocean, with information on products of the ocean, ocean explorers, and preservation of this natural resource.

Includes index.

Oceans of the past -- Oceans today -- Ocean life -- Waves and weather -- Sandy and muddy -- Soft seabed -- Rocks underwater -- On the rocks -- The coral kingdom -- Life on a coral reef -- Sea meadows -- Predators -- Homes and hiding -- Attack and defense -- The jet set -- Moving along -- Ocean travelers -- The twilight zone -- The darkest depths -- On the bottom -- Deep heat -- Diverse divers -- Submarines -- Ocean explorers -- Wrecks on the seabed -- Harvesting fish -- Ocean products -- Oil and gas -- Oceans in peril -- Did you know? -- The world's oceans -- Find out more.