Brigands of the Moon

TWO PLANETS CLASH FOR LUNAR TREASURE Gregg Haljan was aware that there was a certain danger in having the giant spaceship Planetara stop off at the moon to pick up Grantline's special cargo of moon ore. For that rare metal—invaluable in keeping Earth's technology running—was the target of many greedy eyes. But nevertheless he hadn't figured on the special twist the clever Martian brigands would us...