All rights reserved under International and Pan-American Copyright Conventions. Published by The Ballantine Publishing Group, a division of Random House, Inc., New York, and simultaneously in Canada by Random House of Canada Limited, Toronto.

A short version of this novel, titled “Dragonrider,” first appeared in Analog, © 1967 by the Condé Nast Publications, Inc.

Del Rey and colophon are registered trademarks of Random House, Inc.

Library of Congress Catalog Number can be obtained from the Publisher upon request

eISBN: 978-0-345-45395-2

v3.0