Penguin Books Ltd, Harmondsworth, Middlesex
Australia: Penguin Books Pty Ltd, 762 Whitehorse Road,
Mitcham, Victoria
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First published by Michael Joseph 1957
Published in Penguin Books 1961
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Made and printed in Great Britain
by Cox and Wyman Ltd,
London, Reading and Fakenham
This book is sold subject to the condition that it shall not, by way of trade, be lent, re-sold, hired out, or otherwise disposed of without the publisher’s consent in any form of binding or cover other than that in which it is published