Spensa needs all the knowledge she gathered in the Nowhere to end the Superiority's quest for galactic dominance, but first she must determine how far she is willing to go for victory.

Mallory Viridian would rather not be an amateur detective, thank you very much. But no matter what she does, people persist in dying around her-and only she seems to be able to solve the crime. After fleeing to an alien space station in hopes that the lack of humans would stop the murders, a serial killer had the nerve to follow her to Station Eternity. (Mallory deduced who the true culprit was that time, too.) Now the law enforcement agent who hounded...