Kill by Numbers

Former assassin Raena Zacari thinks she''s left the past behind. The Imperial torturer who trained her is dead, the human empire is disbanded, and she is finally free.

But Raena is troubled by a series of nightmares that always seem to end with her shooting an ex-lover in the head. She needs to get her mind clear because there''s a flaw in the most commonly used starship drive-and the band of media...