Includes bibliographical references (page 30) and index.

Essential water -- The blue planet -- The water cycle -- Water and the weather -- Natural water sources -- Storing water -- Electricity from water -- Water treatment -- Water for the home -- Water at work -- Water use in the home -- How to save water -- Drinking water -- Clean water for everyone -- Glossary -- Further information -- Index.

Describes the water cycle, following the journey of a raindrop from source to resource, and exploring how water is used in the home and in industry and why it is important to conserve water.

Grade 4 to 6.

Age: 8-11.