Incurable prion disease eating your nervous system?Abandon everyone you love. Go to a clinic in a universe where prions can't replicate.When aliens attack, prion disease patient Sherry Rogers finds herself behind enemy lines.Nobody can save Sherry. Except herself.And nobody at all can keep the aliens from massacring everyone... except -- maybe -- Sherry.Incurable prion disease eating your nervous system?Abandon everyone you love. Go to a clinic in a universe where prions can't replicate.Sherry Rogers fills her days as best she can with her rattletrap nervous system. When aliens attack the clinic, however, she finds herself behind enemy lines.Nobody can save Sherry. Except herself.And nobody at all can keep the aliens from massacring everyone... except -- maybe -- Sherry.