In keeping with our philosophy to provide access to information for people who are blind or visually impaired, the American Printing House for the Blind provides an electronic version of this book for large print and braille readers.

Catalog Number 7-08531-00

A digital format is available at https://barraga.aphtech.org/.

Copyright © 2019, American Printing House for the Blind, Inc.

All rights reserved. Printed in the United States of America

This publication is protected by Copyright and permission should be obtained from the publisher prior to any reproduction, storage in a retrieval system, or transmission in any form or by any means electronic, mechanical, photocopying, recording, or otherwise, unless where noted on specific pages. For information regarding permission, write to American Printing House for the Blind, 1839 Frankfort Avenue, Louisville, KY 40206.