Publishers Weekly: Hugo Award winner Bear’s spectacularly smart space opera, set in the same universe as 2018’s Ancestral Night, begins with the dispatch of an ambulance ship from the immense medical habitat Core General to respond to a distress signal. The signal originates from a vessel docked aboard a lost generation ship that was launched from Earth centuries earlier, before humans overcame their self-destructive impulses and joined a multi-race, interstellar civilization called the Synarche. When rescue specialist Dr. Brookllyn Jens arrives on the scene, she finds the crew of the generation ship sealed in cryogenic containers, with only Helen, an anxious and rather threatening android, conscious. Meanwhile, the crew of the docked ship that sent out the distress signal in the first place are all comatose and the huge machine they have on board looks suspiciously like a combat walker. In addition to untangling the history of these ships, Jens is deputized to investigate increasingly destructive incidents of sabotage at Core General, leading her to question her faith in the hospital’s ideals. Bear’s vivid tale, narrated by the wry, almost painfully self-aware Jens, bristles with inventive science and riveting action scenes. With this outstanding work, Bear proves her mastery of the space opera genre yet again.