The City of Ember (2003) – This story takes place in a sunless, moonless city where the only light comes from electric lamps. As supplies run low and the electrical system starts to fail, the city is headed for disaster. Two children, Lina Mayfleet and Doon Harrow, take on the task of finding the way out.
The People of Sparks (2004) – The story opens where The City of Ember left off, with the residents of the dying city of Ember joining young heroes Lina and Doon and making their way to a small settlement, where all at first goes well but conflict soon arises.
The Prophet of Yonwood (2006) – This is the third novel in the series. However, it is a prequel, rather than a sequel, to the other two books. It is set about fifty years before the Disaster and the establishment of Ember, and approximately three hundred years before the events of The City of Ember and The People of Sparks. The story focuses on a woman's frightening vision of the future and the townspeople's reaction to it.
The Diamond of Darkhold (2008) – The Diamond of Darkhold is the next book in the series. It picks up where The People of Sparks left off, during the Emberites' first winter aboveground.the two children must go back to Ember to discover something that was lost and left behind.