Explores the mysterious and unusual animals as well as plant life, wrecks, and treasures that may be found in the ocean.

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.

A guide to the ocean and the life found in it, discussing shores, water movement, the ocean basin, climate, wildlife, and our study of the ocean.

Describes exciting ways to investigate freshwater life.