© Andrew Heywood 1992, 1998, 2003, 2007, 2012, 2017

All rights reserved. No reproduction, copy or transmission of this publication may be made without written permission.

No portion of this publication may be reproduced, copied or transmitted save with written permission or in accordance with the provisions of the Copyright, Designs and Patents Act 1988, or under the terms of any licence permitting limited copying issued by the Copyright Licensing Agency, Saffron House, 6–10 Kirby Street, London EC1N 8TS.

Any person who does any unauthorized act in relation to this publication may be liable to criminal prosecution and civil claims for damages.

The author has asserted his right to be identified as the author of this work in accordance with the Copyright, Designs and Patents Act 1988.

First edition 1992

Second edition 1998

Third edition 2003

Fourth edition 2007

Fifth edition 2012

Sixth edition 2017

Published by PALGRAVE

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ISBN 978–1–137–60602–0 hardback

ISBN 978–1–137–60601–3 paperback

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A catalogue record for this book is available from the British Library.

A catalog record for this book is available from the Library of Congress.