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A Ballantine Book
Published by The Random House Publishing Group
Copyright © 1994 by Carl Sagan
All rights reserved under International and Pan-American Copyright Conventions. Published in the United States by Ballantine Books, an imprint of The Random House Publishing Group, a division of Random House, Inc., New York, and simultaneously in Canada by Random House of Canada Limited, Toronto.
Originally published by Random House, Inc., in 1994
Ballantine and colophon are registered trademarks of Random House, Inc.
Library of Congress Catalog Card Number: 97-94010
eISBN: 978-0-307-80101-2
v3.1_r4
