Copyright 1952 Fantasy House, Inc.
Copyright 1953 Ward Moore
All rights reserved. Manufactured in the U. S. A.
Library of Congress catalog card number: 53-10417
BACK COVER MAP: BETTMANN ARCHIVE
For
TONY BOUCHER and MICK McCOMAS
who liked this story
What he will he does, and does so much
That proof is call’d impossibility
—Troilus and Cressida
It is always the puzzle of the nature of time that brings our thoughts to a standstill. And if time is so fundamental that an understanding of its true nature is for ever beyond our reach, then so also in all probability is a decision in the age-long controversy between determination and free will.
—The Mysterious Universe by James Jeans