Pearson Education Limited
Edinburgh Gate
Harlow
Essex CM20 2JE
England
and Associated Companies throughout the world
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www.pearsoned.co.uk
First edition published 1991
Second edition published 1994
Updated second edition published 1995
Third edition published 1997
Updated third edition published 1998
Fourth edition published 2000
Fifth edition published 2003
Sixth edition published 2006
© John Sloman 1991
© John Sloman, Alison Bird and Mark Sutcliffe 1994, 1997
© John Sloman, Alison Sloman and Mark Sutcliffe 2000, 2003
© John Sloman 2006