Ender's Game is a science fiction novel that tells
the  story  of Andrew  Wiggin (nicknamed  Ender by
his sister, Valentine.)  The story  takes place on
Earth  in  the  future.  Earth  has been  attacked
twice by an alien  species called Buggers,  nearly
destroying the human race. Mankind begins training
young  geniuses to become  soldiers and commanders
to fight in Earth's defence if  the Buggers should
ever attack again. Ender is extremely intelligent,
and at the age of six years old, he goes to Battle
School to be trained.  Ender quickly  rises to the
top in Battle School and begins  training in order
to command Earth's fleet.