CANADA: Penguin Books (Canada) Ltd, 47 Green Street, Saint Lambert, Montreal, P.Q.
AUSTRALIA: Penguin Books Pty Ltd, 762 Whitehorse Road, Mitcham, Victoria
SOUTH AFRICA: Penguin Books (S.A.) Pty Ltd, Gibraltar House,
Regents Road, Sea Point, Cape Town
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First published 1936
First published with a foreword 1950
Published in Penguin Books 1955
Made and printed in Great Britain by Western Printing Services Ltd Bristol