Its just another day of high school for Zack Lightman Hes daydreaming through another boring math class with just one more month to go until graduation and freedomif he can make it that long without getting suspended again Then he glances out his classroom window and spots the flying saucer At first Zack thinks hes going crazy A minute later hes sure of it Because the UFO hes staring at is straight out of the videogame he plays every night a hugely popular online flight simulator called Armadain which gamers just happen to be protecting the earth from alien invaders But what Zacks seeing is all too real And his skillsas well as those of millions of gamers across the worldare going to be needed to save the earth from whats about to befall it Yet even as he and his new comrades scramble to prepare for the alien onslaught Zack cant help thinking of all the sciencefiction books TV shows and movies he grew up reading and watching and wonder Doesnt something about this scenario seem a little tooS familiar