Burn

Burn is the third and last book of the series, and was released in February of 2014

Sinopsis
Inside the Dome, Patridge has taken his father's place as leader of the Pures. His struggle has led him here, intent upon bringing down the Dome from the inside, with the help of a secret resistance force. But things are not as simple from his new position of power and he finds himself tempted by his father's words: perhaps if the world is to survive it needs the Dome - and Partridge - to rule it...

As Partridge's resolve weakens, Pressia and Bradwell continue piecing together the clues left to them from the time before the Detonations. It is their hope that they will be able to heal the Wretches, and free them from their monstrous fusings and the Dome's oppression once and for all. But everything depends, too, on Partridge. Separated by distance and history, can they still trust their friend and ally? Or is the world doomed to an eternity of war and hardship?