The climactic novel of the star-spanning Quadrail space opera In Timothy Zahn's Judgment at Proteus , the Quadrail that connects the twelve civilizations of our galaxy has been the flashpoint of a battle for dominance fought mostly unnoticed by humankind. But Frank Compton of Earth, aided by the enigmatic woman Bayta, has fought on the front lines, using every bit of his human ingenuity and secret agent skills to outwit the Modhri, a group intelligence...