Invaders (a sequel to Vaz, Tiona and Disc)

"Invaders" is about events that occur several years after those in the novel "Disc."GSI (Gettnor Space Industries) is beginning to investigate our solar system and mine the asteroids. Aircraft and automobile companies are beginning to switch over to thrusters from their more traditional products. New uses for thrusters are popping up in the healthcare and sports industries.However, at Epsilon Eridani, a race of aliens has so overpopulated their own solar system that they must move many tens...