Penguin Books Ltd, Harmondsworth, Middlesex U.S.A.: Penguin Books Inc, 3300 Clipper Mill Road, Baltimore 11, Md AUSTRALIA: Penguin Books Pty Ltd, 762 Whitehorse Road, Mitcham Victoria
First published 1961
Copyright © Penguin Books Ltd, 1961
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