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overkill. Copyright © 2020 by Paul A. Offit. All rights reserved under International and Pan-American Copyright Conventions. By payment of the required fees, you have been granted the nonexclusive, nontransferable right to access and read the text of this e-book on-screen. No part of this text may be reproduced, transmitted, downloaded, decompiled, reverse-engineered, or stored in or introduced into any information storage and retrieval system, in any form or by any means, whether electronic or mechanical, now known or hereafter invented, without the express written permission of HarperCollins e-books.
first edition
Cover design by Milan Bozic
Cover photograph © Thom Lang/Corbis/Getty Images
Library of Congress Cataloging-in-Publication Data has been applied for.
Digital Edition APRIL 2020 ISBN: 978-0-06-294751-2
Print ISBN: 978-0-06-294749-9