FIRST EDITION

Library of Congress Catalog Card Number 59-5328

Manufactured in the United States of America


For—
Three denizens of this minor planet:
Eleanor, Bill, and of course Janet.


Contents

[The Mysterious Ninth World]
[Chapter 1. Special Delivery—by Guided Missile]
[Chapter 2. The Valley of Stolen Sunlight]
[Chapter 3. The Secret of A-G 17]
[Chapter 4. The Hidden Skyport]
[Chapter 5. Up the Rope of Space]
[Chapter 6. Sunward Ho!]
[Chapter 7. Hot Spot on Mercury]
[Chapter 8. The Veil of Venus]
[Chapter 9. The Ocean Primeval]
[Chapter 10. The Dying Planet]
[Chapter 11. Martians Don't Care]
[Chapter 12. At Rope's End]
[Chapter 13. The Pole of Callisto]
[Chapter 14. Rockets Away!]
[Chapter 15. Ice Cold on Oberon]
[Chapter 16. In Orbit Around Pluto]
[Chapter 17. Stronghold of the Lost Planet]
[Chapter 18. Sacrifice on the Sacred Moon]
[Chapter 19. The Museum of Galactic Life]
[About the Author]
[Other Winston Science Fiction Novels]