ILLUSTRATIONS
Reading edition
Cover i
Frontispiece ii
Her nose pointed skyward, the Polaris was ready to blast off 21
The Solar Guard worked late into the night, examining every ship in the Alliance 50
The speedy little ship shot ahead of the fleet toward the gigantic mass of asteroids 90
The Polaris landed safely on the surface of the satellite 105
Bush pulled a paralo-ray gun from his belt and said, "All right, march!" 143
"Hasn't anybody figured out why four hundred ships crashed in landing?" Strong asked. 159
"We better take it easy, Astro," said Tom. "Turn off the lights." 171