| Summary: | Discusses water, which covers three-quarters of the earth's surface, as a source of energy. |
|---|---|
| Item Description: | Includes index. |
| Physical Description: | 38 pages : color illustrations ; 29 cm. |
| ISBN: | 0531035662 |
| Summary: | Discusses water, which covers three-quarters of the earth's surface, as a source of energy. |
|---|---|
| Item Description: | Includes index. |
| Physical Description: | 38 pages : color illustrations ; 29 cm. |
| ISBN: | 0531035662 |