At 15, Bunny is a boy crazy Foreign Service kid spending the summer in Baku; later we see her transformation from an aimless 20-something to a successful PR professional for a family-run oil company. At first it seems that's all there is to it: a girl, a life; by the final scenes, in a near future that is all too plausible, it sinks in that this is a truly devastating novel about climate change. An artfully detailed slow burn, brilliantly done.