The Rebel Within
First book in Rebel series.
After another U.S. civil war, Annabelle (16) lives in a world where men are exiled, quarantined or forced to fight to the death to train the military elite. Encountering a male escapee, the only safe course for her as a cop intern is to turn him in. Instead, she risks everything to spare the boy from his fate, even as she is forced into this elite military.