Buster Crabbe #5

Buster Crabbe faces conflict on an alien world where he and a woman named Miss Mars are forced to be enemies by their respective planetary governments, though they harbor romantic feelings for each other; he must escape before oxygen runs out. In a separate Western story titled "Homez on the Range," a sheriff pursues the outlaw Ferdie Pedink, who has hidden in a desert cave system near a river, with a bounty offered for his capture dead or alive.