The Fabulous Fibonacci Numbers. Copyright © 2007 by Alfred S. Posamentier
and Ingmar Lehmann. All rights reserved. No part of this publication may
be reproduced, stored in a retrieval system, or transmitted in any form or by
any means, digital, electronic, mechanical, photocopying, recording, or
otherwise, or conveyed via the Internet or a Web site without prior written
permission of the publisher, except in the case of brief quotations embodied
in critical articles and reviews.
To Barbara for her support, patience, and inspiration.
To my children and grandchildren: David, Lisa, Danny, Max,
and Sam, whose future is unbounded.
And in memory of my beloved parents, Alice and Ernest, who
never lost faith in me.
Alfred S. Posamentier
To my wife and life partner, Sabine, without whose support
and patience my work on this book would not have been possible.
And to my children and grandchildren: Maren, Claudia, Simon,