H. Beam Piper

X Minus One featured stories by the greatest names in modern science fiction....

The chartered Zarathustra Company had it all their way. And it meant they owned the planet lock stock and barrel....

So the Ulleran challenge begins, with the rantings of a prophet and a seemingly incidental street riot....

Conn Maxwell returns to his poverty-stricken home planet of Poictesme, “The Junkyard Planet”, with news of the possible location of Merlin, a military super-computer....

Fenris isn't a hell planet, but it's nobody's bargain. With 2,000-hour days and an 8,000-hour year, it alternates blazing heat with killing cold....