After the eruption of the Yellowstone supervolcano destroys his city and its surroundings, fifteen-year-old Alex must journey from Cedar Falls, Iowa, to Illinois to find his parents and sister, trying to survive in a transformed landscape and a new society in which all the old rules of living have vanished.

"Darla Edmunds has faced a lot of challenges in her seventeen years: Her dad died in a farming accident when she was fourteen. Her mother retreated into hyper-religiosity, leaving Darla to run the family farm almost single-handedly. But those struggles pale in comparison to the one she faces after the Yellowstone supervolcano erupts, plummeting the world?and Darla?s small corner of Iowa?into a cataclysmic natural disaster. DARLA'S STORY is book #0.5...

Nearly a year after the eruption of the Yellowstone supervolcano, survival has become harder than ever and Alex and Darla must risk everything to try to create a community that can withstand the ongoing disaster.