Simple Slopes (How Things Work)
By Unknown Author.
Description
A paperback edition of a title from the HOW THINGS WORK series, first publshed in 1991. Offers a precise explanation of the principle of inclined planes. Illustrated with colour artwork and photographs throughout. Suitable for the National Curriculum Technology Key Stage 2. - from Amzon
ISBN(s)
0750209550, 9780750209557
