Lina and Doon are returning to the city of Ember, but what awaits them in the dark? This highly acclaimed adventure series is a modern-day classic--with over 4 MILLION copies sold Lina and Doon escaped the dying city of Ember and led their people to the town of Sparks. But it's winter now, and the harsh realities of their new world have begun to set in. When Doon finds a book that hints at an important, long-lost device, it doesn't...