Penguin Books Ltd, Harmondsworth, Middlesex, England Penguin Books Australia Ltd, Ringwood, Victoria, Australia
First published in the U.S.A. 1960 First published in Great Britain by Hamish Hamilton 1960 Published in Penguin Books 1966 Copyright © John Dickson Carr, 1960
Made and printed in the Netherlands by N. V. Drukkerij Bosch, Utrecht Set in Intertype Baskerville
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