Read James Nelson's blogs and other content on the Penguin Community. Katie and her widowed father have always lived on their own, high up in a place few intruders would dare approach: alongside the crater of a collapsed volcano. They've built a simple but happy life for themselves, far from the frontier perils of the world below-until a long-promised birthday trip to the rough-and-tumble town of Badwater takes an ugly turn and brings the outside...