The High Ground by Melinda Snodgrass
According to Melinda's introduction pace, she created the High Ground universe and George RR Martin enjoyed it so much he wanted to be a part of it, handing her two characters he thought would be a perfect fit into the story. Part of the Imperials Saga, the Emperor's daughter has to make a difference when she enters into The High Ground, an elite training academy if she wants to take the throne. Tracy also wants to make something of himself, he needs to become a captain in order to get the distinction of being a hero.