A comprehensive exploration of our oceans, covering geography, ecosystems, and animals through a mix of illustrations, photographs, maps, and diagrams. Map out the oceans layers, from the sunlight zone to the abyss, exploring the conditions within each zone and the different creatures that live there, as well as exploring features of the ocean floor such as underwater volcanoes, thermal vents, and the mid-Atlantic ridge.?It also: Explores ocean currents...