Copyright © 1997 by The Estate of Carl Sagan All rights reserved under International and Pan-American Copyright Conventions. Published in the United States by The Ballantine Publishing Group, a division of Random House, Inc., New York, and simultaneously in Canada by Random House of Canada Limited, Toronto. http://www.randomhouse.com Library of Congress Catalog Card Number: 98-96080
ISBN: 0-345-37918-7 TO MY SISTER, CARI, ONE IN SIX BILLION
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