From the craft that investigated the wreck of the Titanic to how octopuses make use of jet propulsion, this book lets your child learn all about the secret watery world that covers most of our planet and the incredible creatures that live within it.

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.