House of Glass, Book 2: The Exodus Series
by D. Jean Quarles & Austine Etcheverry
Aliens have left the planet Earth without power as the Yellowstone super volcano erupts. Mandy, and the American Bulldog she adopted, race toward Arizona and the safety of the Biosphere. Once there she finds other survivors, all who are not necessarily happy to see her. She struggles to prove her value as they work together to create a home. Meanwhile the aliens are talking of war.