by Chris Oxlade (Author)
A clear and easily-understood introduction to simple machines, this text showcases the parts of each machine, how each machine works and how they are used in the world around us.
Format: Hardcover
Pages: 32
Publisher: Franklin Watts
Published: 11 Oct 2007
ISBN 10: 0749675667
ISBN 13: 9780749675660
Children’s book age: 7-9 Years