Can't get enough of Charlie Higson's gruesome Enemy series? This exclusive short story will satisfy that thirst for more blood and gore!In a changed world where adults have become sickos ravaged by disease, everyone under the age of fourteen is fighting to survive. Chris and his friends are determined to mark World Book Day, but when a fellow survivor turns against them they're left defenceless. Can they stop a gruesome attack from their violent enemy in a deadly battle of geeks vs zombies?