Penguin Books Ltd, Harmondsworth, Middlesex, England
Penguin Books Inc, 3300 Clipper Mill Road, Baltimore 11, Md 21211, U.S.A.
Penguin Books Australia Ltd, Ringwood, Victoria, Australia
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First published 1958
Reprinted 1962, 1963, 1964, 1966, 1967
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Copyright © W. J. H. Sprott, 1958
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Made and printed in Great Britain by
Cox & 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 or otherwise, be lent, re-sold, hired out, or otherwise circulated without the publisher’s prior consent in any form of binding or cover other than that in which it is published and without a similar condition including this condition being imposed on the subsequent purchaser