There's sabotage from within and a strange virus is infecting the last human survivors of an alien invasion in Nicholas Sansbury Smith's smart and exciting third book in the bestselling Orbs series.With the alien armies growing stronger, Sophie's biosphere decides to join forces with the team from NTC's submarine. Using data from a surviving satellite, they discover strange alien poles at each of the world's seven highest summits: alien technology that the survivors believe may hold the key to shutting down the alien ships once and for all.But before the two teams can launch an offensive, the biosphere must deal with sabotage from within and a strange nanotechnology that has infected several of the survivors. As tensions rise, Sophie and team must decide whether their new discovery is worth abandoning the biosphere. The more the team learns, the more they realize that Earth may be beyond saving and that salvation may require leaving the planet forever.A splendid mix of horror, suspense, and science fiction, Orbs: Redemption upends the classic alien invasion story into an edge-of-your-seat thrill ride.