COPYRIGHT © 1961 BY THE NEW AMERICAN LIBRARY OF WORLD LITERATURE, INC. All rights reserved Library of Congress Catalog Card No. 61-10757 MENTOR TRADEMARK REG. U.S. PAT. OFF. AND FOREIGN COUNTRIES REGISTERED TRADEMARK -- MARCA REGISTRADA HECHO EN CHICAGO, U.S.A. SIGNET, SIGNET CLASSICS, MENTOR, PLUME AND MERIDIAN BOOKS are published in the United States by The New American Library, Inc., 1301 Avenue of the Americas, New York, New York 10019, in Canada by The New American Library of Canada Limited, 81 Mack Avenue, Scarborough, 704, Ontario, in the United Kingdom by The New English Library Limited, Barnard's Inn, Holborn, London, E.C. 1, England. FIRST PRINTING, APRIL, 1961 11 12 13 14 15 16 17 18 19 PRINTED IN THE UNITED STATES OF AMERICA -iv- |