Todd McLaren

In the parallel world first introduced in S. M. Stirling's The Sky People, aliens terraformed Mars (and Venus) 200 million years ago, seeding them with life-forms from Earth. Humans didn't suspect this until the twentieth century, but when the first probes landed on our sister worlds and found life-intelligent life, at that-things changed with a vengeance. By the year 2000, America, Russia, and the other great powers of Earth were all contending for...