PRINTED IN THE UNITED STATES OF AMERICA
by
THE GUINN COMPANY, INC.
NEW YORK 14, N. Y.
[Transcriber's Note: Extensive research did not uncover any
evidence that the U.S. copyright on this publication was renewed.]
PART ONE
THE DISCIPLINARY CIRCUIT
| 1 | [Victim of Tyrants] |
| 2 | [Break for Freedom] |
| 3 | [Rays of Destruction] |
| 4 | [Outcasts of Space] |
| 5 | [Super-Science] |
| 6 | [Haven at Last] |
PART TWO
THE MANLESS WORLDS
| 1 | [Empires in the Making] |
| 2 | [The Deadly Beams] |
| 3 | [Contact!] |
| 4 | [Encounter in the Void] |
| 5 | [The Needed Fuel] |
| 6 | [Man-Made Meteor] |
| 7 | [Ready for Action] |
| 8 | [Pitched Battle] |
| 9 | [Homecoming] |
PART THREE
THE BOOMERANG CIRCUIT
| 1 | [Damaged Transmitter] |
| 2 | [Enemy Sabotage] |
| 3 | [Dangerous Trip] |
| 4 | [Despots Take Over] |
| 5 | [Industrial World] |
| 6 | [Vanished World] |
| 7 | [One Chance in a Million] |
| 8 | [Dark Barrier] |
| 9 | [Gadget of Hope] |