Ender has graduated from Battle School to Command School where he'll prepare for the approaching Formic invasion...but he refuses to go. Ender's done playing the games, he's done hurting people. So the military brings in the only person who Ender cares about to convince him to go...his sister Valentine. And in the outer reaches of space, Ender meets the man who will be his last teacher... Mazer Rackham.
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