This Fortress World — James Gunn

William Dane is a man with a nasty but valuable secret, one that all the cutthroats in the galaxy are itching to get their hands on. Dane must perfect the art of concealing himself from the crazed factions yearning for the power that this secret can give them; otherwise he will die an unspeakable death at their hands. He is a man on the run from the entire galaxy, and he must be constantly vigilant to ensure that the key to ruling the universe does not fall into the wrong hands. This classic science fiction masterpiece satisfies readers' every desire for adventure and intrigue.