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por Jim Mezzanotte Consultora de lectura: Susan Nations, M.Ed.,
autora/tutora de alfabetización/consultoraConsultora de ciencias y contenido curricular: Debra Voege, M.A.,
maestra de recursos curriculares de ciencias y matemáticas

Please visit our web site at: www.garethstevens.com For a freecolor catalog describing Weekly Reader® Early Learning Library’s list of high-quality books, call 1-877-445-5824 (USA) or 1-800-387-3178 (Canada). Weekly Reader® Early Learning Library’s fax: (414)336-0164.
Library of Congress Cataloging-in-Publication Data available upon request from publisher. Fax (414) 336-0157 for the attention of the Publishing Records Department. ISBN-10: 0-8368-7444-7 —ISBN-13: 978-0-8368-7444-0 (lib. bdg.) ISBN-10: 0-8368-7449-8 — ISBN-13: 978-0-8368-7449-5 (softcover)

This edition first published in 2007 by Weekly Reader® Early Learning Library A Member of the WRCMedia Family of Companies 330 West Olive Street, Suite 100 Milwaukee, WI 53212 USA Copyright © 2007 by Weekly Reader® Early Learning Library Managing editor: Mark J. Sachner Art direction: Tammy WestCover design, page layout, and illustrations: Dave Kowalski Photo research: Sabrina Crewe Spanish translation: Tatiana Acosta and Guillermo Gutiérrez

All rights reserved. No part of this book maybe reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of thecopyright holder. Printed in the United States of America 1 2 3 4 5 6 7 8 9 10 09 08 07 06

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Picture credits: cover, title, p. 19 © Susan Van Etten/PhotoEdit; p. 5 © Neil Rabinowitz/ CORBIS; p. 8:© James P. Blair/CORBIS; p. 9 © Mary Kate Denny/PhotoEdit; p. 10 © Alison Wright/CORBIS; pp. 16, 20 © Royalty-Free/CORBIS; p. 18 © Buddy Mays/CORBIS; p. 21 © Randy Faris/CORBIS

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