Martin Sparks debut novel is a layer cake of science fiction, medical ethics, and reflections on the borders between science, faith, and politics. In a genre dominated by action stories, tie-ins, and archetypes, the detailed characters and careful science stand out, creating a science fiction story which could unfold in anyone's small town. Twelve-year-old Rosetta has a problem. God speaks to her and fills her life with joy and certainty she longs to share. But on top of the usual problem that no one listens to kids, whenever she tries to talk about God, people send her to "specialists."...