All rights reserved. Printed in the United States of America. No part of this book may be used or reproduced in any form or by any means, or stored in a database or retrieval system, without prior written permission of the copyright owner except in the case of brief quotations embodied in critical articles and reviews. Making copies of any part of this book for any purposes other than your own personal use is a violation of United Statescopyright laws. For information, address the author, Kenneth Glyn Hales, 5990 North Calle Kino, Tucson, Arizona, 85704-1704.

This book is provided as is, without warranty of any kind, either express or implied, respecting the contents of this book, including but not limited to implied warranties for the books quality, performance, merchantability or fitness for any particular purpose. The author shall not be liable to the purchaser or any other person or entity with respect to any liability, loss, or damage caused or alleged to be caused directly or indirectly by this book.