Penguins 1643 - The Twenty-Third Man

Penguin Books Ltd, Harmondsworth, Middlesex Australia: Penguin Books Pty Ltd, 762 Whitehorse Road, Mitcham, Victoria __
First published by Michael Joseph 1957 Published in Penguin Books 1961 __
Copyright © Gladys Mitchell, 1957 __
Made and printed in Great Britain by N.V. Drukkerij Bosch Utrecht

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