from Rosen Central (September 30, 2007)
9781404237421 |
details & prices | 48 pages | 7.75 × 9.75 × 0.50 in. | Rec. grade levels 7-9 | 0.80 lbs | List price $27.95
About: Presents the pros and cons of this alternative energy source, discussing what it is; how it works in practice; investment in it; and its environmental impact, cost, and future.