Ancillary mercy

"For a moment, things seemed to be under control for Breq, the soldier who used to be a warship. Then a search of Athoek Station's slums turns up someone who shouldn't exist, and a messenger from the mysterious Presger empire arrives, as does Breq's enemy, the divided and quite possibly insane Anaander Mianaai--ruler of an empire at war with itself"--Back cover.