This fortress world

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 or die at the hands of the most brutal men alive. He's a man on the run from the entire galaxy, but one day that won't be the case. One day in the deadly game of cat and mouse, he will become the deadlier, feline opponent. But until then, he must keep a close guard or the key to ruling the universe could fall into the wrong hands. This classic science fiction masterpiece satisfies readers every desire for adventure and intrigue.