Penguin Books Ltd, Harmondsworth, Middlesex
Australia: Penguin Books Pty Ltd, 762 Whitehorse Road
Mitcham, Victoria
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First published by Cassells 1946
Published in Penguin Books 1961
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Made and printed in the Netherlands
by N.V. Drukkerij Bosch
Utrecht
The characters in this story are violently and shamelessly fictitious. Not in the least fictitious, however, is the technique for grouping perspiration and other body secretions devised by Dr Alexander S. Wiener, Chief Serologist in the Chief Medical Examiner's Office, New York City, to whom the author is - and all law-abiding persons should be - deeply grateful.
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