Front cover image for Gears in my world

Gears in my world

This book describes gears and explains how they are used in a clock, a car engine, and a bicycle
Print Book, English, 2006
PowerKids Press, New York, 2006
24 pages : color illustrations ; 19 cm.
9781404233119, 1404233113
What is a gear?
Gears everywhere
Words to know