Nova's job is to harvest dream threads from unaware humans to sustain her sunless planet against a malicious parasite. But on one particular night, she enters the dream of a boy who knows her-who has been dreaming of her for a long time. And in that moment, everything changes. Arlo's dream-girl always told him about a wonderous world beyond his imaginings, but he never thought that world could be a real escape from the traumatic...