Provides information about what happens to water underground and what effect that water has on the Earth.

Includes index.

1. Up, down, and under ground -- 2. Where the water goes -- 3. Water in the soil -- 4. Ground water -- 5. Wells -- 6. Hot springs and geysers -- 7. How caves are formed -- 8. Dripping stone -- 9. Up, up, and away! -- 10. Groundwater and you.