from Twenty First Century Books (November 1, 1998)
9780761332251 |
details & prices | 64 pages | 8.50 × 10.25 × 0.50 in. | Rec. grade levels 4-6 | 0.85 lbs | List price $26.60
About: Discusses plate tectonics, the theory that the surface of the earth is always moving, and the connection of this phenomenon to earthquakes and volcanoes