Penguin Books Ltd, Harmondsworth, Middlesex, England Penguin Books Australia Ltd, Ringwood, Victoria, Australia
First published in America by Free Press 1972 First published in Britain by Penguin Education 1972 Copyright © Free Press, 1972
Made and printed in Great Britain by Cox & Wyman Ltd, London, Reading and Fakenham Set in Intertype Times
This book is sold subject to the condition that it shall not, by way of trade or otherwise, be lent, re-sold, hired out, or otherwise circulated without the publisher’s prior consent in any form of binding or cover other than that in which it is published and without a similar condition including this condition being imposed on the subsequent purchaser