The People of Sparks (The City of Ember)

Lina and Doon have led the citizens of Ember to an exciting new world. When they discover a village called Sparks, they are welcomed, fed, and given places to sleep. But the town's resources are limited and it isn't long before resentment begins to grow between the two groups. When mysterious acts of vandalism cause tempers to erupt, putting everyone's lives in danger, it's up to our two heroes to find the courage to stop the conflict and bring peace.