There are 2 books in the A Sinners Series series. The newest book is Hunted which came out in 2015.

1
Branded

By Abi Ketner , Missy Kalicicki ,

Book cover of Branded
Fifty years ago The Commander came into power and murdered all who opposed him. In his warped mind, the seven deadly sins were the downfall of society. To punish the guilty, he created the Hole, a place where sinners are branded according to their sins. Sinners are forced to live…
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2
Hunted

By Abi Ketner , Missy Kalicicki ,

Book cover of Hunted
It’s been three months since the revolt against the Commander’s fifty-year old regime failed. Yet, no one’s safe. Lexi and Cole are trying to gather a network of supporters, but with Wilson now in control, the Hole is getting worse. Can anyone be trusted? Lexi and Cole soon find out,…