The Fourth Hemisphere

After the moon race, the race to the stars! Earth may be in a radioactive shambles, but still the Cold War goes on - between Euram and Redside on the Moon. And it's vital to save 54 Piscium for the free universe... But when Andrew Adam gets to 54 Piscium, things don't work out quite like that. He finds a world oddly familiar - especially when he lands in the wrong hemisphere.