TIME FOR KIDS

© 2017 Time Inc. Books

Published by Liberty Street, an imprint of Time Inc. Books

225 Liberty Street

New York, NY 10281

LIBERTY STREET and TIME FOR KIDS are trademarks of Time Inc.

All rights reserved. No part of this book may be reproduced in any form or by any electronic or mechanical means, including information storage and retrieval systems, without permission in writing from the publisher, except by a reviewer, who may quote brief passages in a review.

Produced by Scout Books & Media Inc

President and Project Director Susan Knopf

Editor Margaret Parrish

Managing Editor Brittany Gialanella

Copyeditor Stephanie Engel

Proofreader Beth Adelman

Indexer ARC Indexing

Designer Dirk Kaufman

Writers

James Buckley, Jr. (Sports, Buildings, Home Technology, Space)

Michael Centore (Science, Computer Technology, Just for Fun)

Cari Jackson (Animals, Transportation, The Human Body, You and Your World)

Advisers

Special thanks to our expert reviewers, whose passion for and willingness to share their knowledge of their fields inspires us all: Elizabeth Bland; Amy Lennard Goehner; Paul McLean, PhD; Mary-Margaret Segraves, PhD, RN; Michael Rentz, PhD.

Thanks to the Time Inc. Books team: Margot Schupf, Anja Schmidt, Beth Sutinis, Deirdre Langeland, Georgia Morrissey, Hillary Leary, and Alex Voznesenskiy.

Special thanks to the TIME FOR KIDS team: Nellie Cutler Gonzalez and Elizabeth Winchester.

e-ISBN: 978-1-68330-934-5

Library of Congress Control Number: 2017942484

Second Edition, 2017

1 QGT 17

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