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.
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Mitcham, Victoria
South Africa: Penguin Books (S.A.) Pty Ltd, Gibraltar House,
Regents Road, Sea Point, Cape Town
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First published 1954
The author and publishers would be grateful to any user of this book for having any errors or omissions pointed out to them in as much detail as possible
Made and printed in Great Britain by William Clowes and Sons Ltd London and Beccles