Penguin Books Ltd, Harmondsworth, Middlesex, England
Penguin Books Pty Ltd, Ringwood, Victoria, Australia
__
First published in book form by Alfred A. Knopf 1963
Published in Pelican Books 1965
Copyright © Scientific American, 1963
__
Made and printed in Great Britain by
C. Nicholls & Company Ltd
Set in Monotype Baskerville
__
The thirteen chapters in this
book originally appeared as
articles in the September1963 issue
of Scientific American
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