Penguin Books Ltd, Harmondsworth, Middlesex
U.S.A.: Penguin Books Inc, 3300 Clipper Mill Road, Baltimore 11, Md [Educational Representative: D. C. Heath & Co., 185 Columbus Avenue, Boston 16, Mass]
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
__
First published 1952
Second edition 1954
Made and printed in Great Britain by Wyman & Sons Ltd, London, Reading and Fakenham