First published in Great Britain in 1999 by Jonathan Cape.

Preface to the Second Edition copyright © 2012 by Jonathan Glover.

All rights reserved.

This book may not be reproduced, in whole or in part, including illustrations, in any form (beyond that copying permitted by Sections 107 and 108 of the U.S. Copyright Law and except by reviewers for the public press), without written permission from the publishers.

Yale University Press books may be purchased in quantity for educational, business, or promotional use. For information, please e-mail sales.press@yale.edu (U.S. office) or sales@yaleup.co.uk (U.K. office).

Printed in the United States of America.

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

10 9 8 7 6 5 4 3 2 1