Text, pictures and overlays provide information on exploration in the deep parts of the oceans, looking not only at sea creatures, but also archaeology and recovery of lost ships.
Looks at the element that covers nearly three-quarters of our planet, and describes the water cycle, ocean waves and river currents, and the threat that human carelessness and exploitation pose.
Includes pictures and information about various breeds of sharks and how they reproduce, eat, and breathe. Recommended websites included to give more information about sharks.