Higson's terrifying, utterly compelling prequel to The Enemy introduces an all-new cast of characters and sets the stage for a dramatic third book in the series. The disease only affects people sixteen or older. It starts with the symptoms of a cold. Then the skin begins to itch, and spots appear--spots that soon turn into pus-filled boils. But the worst part is the headache, the inner voices that tell you that you need to eat...