It started as the flu. They nicknamed it General Tsao. Within six months, the entire population of the world was dead. Except for fourteen-year-old Hannah Barton.She buried her family in graves she dug in her backyard in Detroit and then set off for Charleston, South Carolina, where her family had vacationed. The first year of Hannah's solitary life is a story of survival. Danger, death and terrifying things are around every turn. But in the midst...