from Bridgestone Books (August 1, 2001)
9780736809542 |
details & prices | 24 pages | 8.25 × 8.25 × 0.50 in. | Rec. grade levels 2-3 | 0.50 lbs | List price $22.65
About: Discusses the different types of soil, its properties, erosion, pollution, and how humans can protect soil.