How Things Work (Questions & Answers)
By Philip Brooks.
Description
"How Things Work" is part of the comprehensive "Questions and Answers" series. It asks questions such as how do lenses help you see?; how are stripes put into toothpaste?; why does a lightbulb glow?; what's inside a battery?; and what do gears do? - from Amzon
ISBN(s)
0753407086, 9780753407080
