Sowing is the first book in The Purification Era series by Angie Grigaliunas. Although its labelled as YA, I would put it down as more of a Grimdark-ish fantasy. Its definitely more adult that YA. Set in a dystopian world on the brink of war, we follow two sisters who are completely different from each other. One is a rebel and the other is the perfect civilian, well perfect according to the power obsessed Hulcondans.