Everything you need to understand or teach Champion by Marie Lu.
Marie Lu's dystopian science-fiction novel, Champion, is the third book in the Legend trilogy. It explores a world in which the United States has been divided into two warring countries, the Republic and the Colonies. A peace treaty is on the horizon, but after a mutant plague breaks out on the warfront the Colonies once again threaten war. June, a Republic soldier-turned-politician, and Day, an orphan from the streets of Los Angeles, must fight to unite the Republic from the invading enemy – and make great sacrifices to do so. The novel explores themes of youth and individuality, power and corruption, family, and vision.