Former government agent Frank Compton foiled a plot to enslave the galaxy in Night Train to Rigel . But the Modhri, an ancient telepathically linked intelligence, has walkers, unwilling hosts that can be anywhere, anything...and anyone. And Compton is the only man who knows how to fight them, as they wage a secret war against the galactic civilizations linked by the Quadrail, the only means of intra-galactic transit. ? Accompanied by Bayta, a woman...