In a dark future, when North America has split into two warring nations, fifteen-year-olds Day, a famous criminal, and prodigy June, the brilliant soldier hired to capture him, discover that they have a common enemy.

Artemis Fowl is going straight...as soon as he pulls off the most brilliant feat of his career. At least, that's the plan when he attempts to sell his C Cube, a supercomputer built from stolen fairy technology. When his efforts to broker a deal for the Cube with a powerful businessman go terribly wrong, his loyal bodyguard and friend, Butler, is mortally injured. The only thing that will save him is fairy magic, so once again Artemis must contact...