Having escaped to the Unknown Regions, Lina and the others seek help from the village people of Sparks.

While visiting the small town of Yonwood, North Carolina, eleven-year-old Nickie makes some decisions about how to identify both good and evil when she witnesses the townspeople's reactions to the apocalyptic visions of one of their neighbors.

"Several hundred years in the future, in a world where fossil fuels are no longer used as a power source, a thirteen-year-old boy named Keith joins a jet pack project that will give people the ability to fly."--

With more than 3.5 million copies sold, the City of Ember books are modern-day classics. Lina and Doon's heart-pounding journey to save their people has captivated readers around the world, and the four adventures are bound together here for the very first time!
Escape the Dark. Discover the Adventure.
The city of Ember was built as a last refuge for the human race. But now with terrifying blackouts sweeping through the streets, Lina...

For centuries, the residents of the underground City of Ember have flourished in an amazing world of glittering lights and quiet contentment. But when the City's massive power generator begins to fail, the streetlamps fade - along with the hopes of the townspeople. Now it will be up to two courageous teenagers to follow a trail of clues left by the ancient builders to find the way out of Ember before their world is plunged into complete darkness.