Recent discoveries have revealed that the muddy ocean floor and the lightless water above it harbor an extraordinary array of life, including eel-like fishes, squids, shrimps, crustaceans, worms, mollusks, snails, and starfish. Richly illustrated with nearly one hundred color photographs, this lively, informative book tells how oceanography has developed as a science and describes what is know about the still-mysterious organisms that live in the deep ocean.