Penguin Books Ltd, Harmondsworth, Middlesex, England
Penguin Books Inc, 3300 Clipper Mill Road, Baltimore Md 21211, U.S.A.
Penguin Books Pty Ltd, Ringwood, Victoria, Australia
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First published 1968
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Copyright © Penguin Books, 1968
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Made and printed in Great Britain by Richard Clay (The Chaucer Press) Ltd, Bungay, Suffolk Set in Monotype Plantin
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