Describes water on our planet, including the water cycle, rivers, lakes, and oceans and seas. Includes instructions for related projects and demonstrations.

"First American edition published in 1993"--T.p. verso. Includes index.

Water in our world -- The water cycle -- Water under the ground -- Rivers of ice -- River sources -- Rivers at work -- Rushing rivers -- Winding rivers -- The Nile -- Lakes -- Oceans and seas -- Waves, currents, and tides -- Waves at work -- Water pollution -- Amazing rivers and oceans.