Machines (Understanding Science S.)
by Clive Gifford,Andy Burton
ISBN 13: 9780746009901
Format: Paperback (32 pages) Publisher: Usborne Publishing Ltd Published: 31 Jan 1993
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Electricity and Magnetism (Usborne Understanding Science S.)
by Peter Adamczyk, Paul-Francis Law, Andy Burton
ISBN 13: 9780746009956
Format: Hardcover (32 pages) Publisher: Usborne Publishing Ltd Published: 30 Nov 1993