The Earth has been attacked twice by aliens called Formics, or more popularly, Buggers, and everyone is sure a third invasion is coming. So the military embarks on a crash program to breed the ultimate military genius to lead the fleet in a pre-emptive attack against the Formic homeworld. These kids are trained from age 6 in an off-world facility called Battle School, and their training consists mostly of games. Ender Wiggins may be the child they are looking for. Brilliant, compassionate, and tormented, he's better at the games than anyone has ever been. But how can they manipulate a compassionate child into wiping out an entire species, and at the same time give him the skills to do it effectively? "