from Prometheus Books (January 1, 1991)
9780879756376 |
details & prices | 6.00 × 9.25 × 0.50 in. | Rec. grade levels 4-6 | 0.45 lbs | List price $19.98
About: Uses a question and answer format, with illustrations, to explain why the sky is blue, what a rainbow is, what atoms are, how gravity works, and many other scientific facts and events