by Major DONALD E. KEYHOE U. S. Marine Corps, Retired HENRY HOLT AND COMPANY NEW YORK Copyright, 1953, by Henry Holt and Company, Inc. All rights reserved, including the right to reproduce this book or portions thereof in any form. Published simultaneously in the Dominion of Canada by George J. McLeod, Ltd. FIRST EDITION Library of Congress Catalog Card Number: 53-9588 Printed in the United States of America Dedicated with love to Helen and the twins, Cathleen and Caroline Foreword Three years ago, in a book entitled The Flying Saucers Are Real, I reported the results of my first investigation into this world-wide mystery. At that time I stated my belief that the U.S. Air Force knew the answer and was hiding it from […] Read More