Discover the watery world that covers two-thirds of the globe and find out why oceans are so important to life on Earth. Meet jet-propelled octopuses and hermit crabs, look closely at seaweed, find out how waves form, and discover the submarines and submersibles that have explored shipwrecks and the deepest trenches....

Jump headfirst into the world of sharks! Discover their habitat, hunting habits, and biology. Children ages 9 years and up will love learning about one of the most fascinating and terrifying sea animals. Swim through shark-infested waters (if you dare!...