(The sequel to 'The City of Ember')
The people of Ember have been led out of their city at last by Lina and Doon, and a nearby village, Sparks, agrees to take in the hundreds of Emberites. But tension soon rises between the people of Sparks and the people of Ember. There is not enough food and shelter for everybody in Sparks, and its people are thinking of throwing the Emberites out to survive on their own. In the end they come to a compromise.