The City of Ember 2

After Lina Mayfleet and Doon Harrow has found the Earth, Lina and Doon has become more than just friends. They have now had 2 kids. But, then they see the accident. The request that they send their 2 kids Ashley Harrow and William Harrow to Ember to find some people. But, now they will have to face the dangers of the destroyed City of Ember. Follow these 2 kids in a life that will change Ember forever.