Covering eight unique saltwater habitats, “Ocean” transports readers to coral reefs, the deep, open ocean, kelp forests, the Arctic, mangroves, oceanic islands and seamounts, and the Southern Ocean. Attenborough begins each chapter with a story from his lifetime of exploration,

Sir David Attenborough has reflected on approaching “the end of his life” while sharing what he believes will save the planet from destruction.The veteran naturalist addressed his mortality in a new documentary,