First published 2007 by Focal Press
This edition published 2014 by Focal Press 70 Blanchard Road, Suite 402, Burlington, MA 01803
Simultaneously published in the UK by Focal Press 2 Park Square, Milton Park, Abingdon, Oxon OX14 4RN
Focal Press is an imprint of the Taylor & Francis Group, an informa business
© 2014 John Purcell
The right of John Purcell to be identified as author of this work has been asserted by him in accordance with sections 77 and 78 of the Copyright, Designs and Patents Act 1988.
All rights reserved. No part of this book may be reprinted or reproduced or utilized in any form or by any electronic, mechanical, or other means, now known or hereafter invented, including photocopying and recording, or in any information storage ...