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.

More than six months after the eruption of the Yellowstone supervolcano, Alex and Darla retrace their steps to Iowa hoping to find Alex's parents and bring them to the tenuous safety of Illinois, but the journey is ever more perilous as the remaining communities fight to the death for food and power.

"An exhilarating, time-traveling journey to the solar system's strangest and most awe-inspiring volcanoes. Volcanoes are capable of acts of pyrotechnical prowess verging on magic: they spout black magma more fluid than water, create shimmering cities of glass at the bottom of the ocean and frozen lakes of lava on the moon, and can even tip entire planets over. Despite their reputation for destruction, volcanoes are inseparable from the creation of...

Provides a basic introduction to volcanoes, explaining how they form and how volcanic eruptions occur, and describing the effect of different kinds of eruptions on people and the environment.