What lies beneath the surface of the ocean has mystified humankind for millennia. We have explored more of the surface of the Moon than we have of the deep sea.From vampire squid to giant spider crabs, and from hydrothermal vents to bioluminescence, its watery depths are both fascinating and terrifying. Deep Water explores, through spectacular images and expert text, how this unique habitat came into being, what lives there and why, how it has evolved and what the future will bring for this dark and mysterious environment.