The Quadrail Series Books 4–5

Action science fiction, mystery, and espionage combine in books 4 and 5 of the Quadrail series from this Hugo Award–winning author.   The alien Chahwyn created the Spiders to keep their intragalactic transportation system, the Quadrail, safe and running smoothly. And ex-government agent Frank Compton is there to protect its integrity. So far, Compton and his beautiful half-human, half-Chahwyn partner, Bayta, have had their hands full keeping the Quadrail open and preventing the evil Modhri