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


THE SPACE PIONEERS




CHAPTER 1


"Go on, Astro," shouted the young Space Cadet. "Boot that screwy ball
with everything you've got!"

The three cadets of the _Polaris_ unit raced down the Academy field
toward the mercuryball, a plastic sphere with a vial of mercury inside.
At the opposite end of the field, three members of the _Arcturus_ unit
ran headlong in a desperate effort to reach the ball first.

Astro, the giant Space Cadet from Venus, charged toward the ball like a
blazing rocket, while his two unit mates flanked him, ready to block out
their opponents and give Astro a clear shot at the ball.

On the left wing, Tom Corbett, curly-haired and snub-nosed, ran lightly
down the field, while on the opposite wing, Roger Manning, his blond