Armada is by Ernest Cline. Zach Lightman lives in Beaverton, Oregon with his mother. His father died in an accident when he was a baby. He works in a video game store and plays video games constantly. Then one day the alien space ship from the video game Armada arrives at his school. The game is real! The government has been using video games to seek out and train fighters to defend Earth from the upcoming alien invasion - wait! - the book is actually much better than this makes it sound. Zach is recruited into the Earth Defence Alliance and sent to Moon Base Alpha, but things are not as they appear. A very different read from Ready Player One, though 80s references are still in evidence.
Ratings: 11th grade - 8 out of 10 - P (profanity) - V (violence) - AC (mature thematic content).