Armada

It’s just another day of high school for Zack Lightman. He's daydreaming through another boring math class, with just one more month to go until graduation and freedom—if 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 he’s going crazy.A minute later, he’s sure of it. Because the UFO he’s staring at is straight out of the videogame he plays every night, a hugely popular online flight simulator cal