by IanGraham (Author)
Illustrated with diagrams, pictograms and fact boxes, this book answers 101 basic questions about machines and inventions, including how electricity is made, how a radio works, and what an SLR is.
Format: Paperback
Pages: 48
Edition: New edition
Publisher: Heinemann Library
Published: 04 Dec 1998
ISBN 10: 0600583899
ISBN 13: 9780600583899