Hugh Howey 
Second Shift: Order 

The incredible second part of Shift, the follow up to bestseller Wool.Donald wasn t supposed to remember. In fact, he was punished for doing just that. But the information he should have forgotten may end up saving his future. Mission Jones is a young man who wants to change the world around him. The rules, the secrets, the lies. Putting his own life on the line, he fights to build a resistance and save those who have hope. But is he trying to save the wrong people?Donald knows the truth, but is he willing to use it to protect something that he regrets building in the first place?