Penguin Books Ltd, Harmondsworth, Middlesex
Penguin Books Inc, 3300 Clipper Mill Road, Baltimore 11, Md., U.S.A.
Penguin Books Pty Ltd, Ringwood, Victoria, Australia
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First published 1964
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Copyright © W. W, Sawyer, 1964
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Made and printed in Great Britain
by Cox and Wyman Ltd,
London, Reading and Fakenham
Set in Monotype Times
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