They made their final stand on Mars and lost.Now the aliens are coming. They want to occupy earth. They want to destroy humanity. They want to kill every last one of us.But we are legion. Seven billion humans are tough to kill. Pockets of survivors band together to fight back. It's hard to know who to trust. Human collaborates will do anything to live one more do.The US mounts an offensive. They turn loose Lt William "Don't ever call me the Kid" Bonney...