THE WORLD OF FLYING SAUCERS
Reading edition
The World of Flying Saucers
A SCIENTIFIC EXAMINATION OF A MAJOR MYTH OF THE SPACE AGE
Donald H. Menzel AND Lyle G. Boyd
DOUBLEDAY & COMPANY, INC., GARDEN CITY, NEW YORK
Library of Congress Catalog Card Number 63-12989 Copyright © 1963 by Donald H. Menzel and Lyle G. Boyd All rights reserved. Printed in the United States of America
To Fred L. Whipple, whose studies have added much to our knowledge of meteors—which have furnished more than their share of UFOs.