Earth and its society have been irrevocably changed with Ender Wiggins' victory over the Formics. The unity enforced upon the warring nations by an alien enemy is shattered. Nations are rising again, seeking to control the skills and loyalty of the children from Battle School. One person has a better idea. Peter, Ender's older brother, sees that any hope for Earth lies in restoring unity. With Bean at his side, they'll reshape the future. (Sequel to Shadow of the Hedgman)
This summary is courtesy of McNaughton Books