Ashfall
by Mike Mullin

Popularity 40
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.
Science fictionSurvivalVolcanoesFictionChildren's fictionVolcanoes, fictionSurvival, fictionVoyages and travelsTeenage boysRegression (Civilization)DisastersNatural disasters