Numbers that pop into her head when she looks into someone s eyes. They re dates, the numbers. Dates predicting with brute accuracy each person s death. Burdened by such grim knowledge, Jem avoids relationships. Until she meets Spider, another outsider, and takes a chance. Maybe they can find happiness together, if only in the brief time that remains before his expiration date. But on a trip to London, Jem foresees a chilling chain of events: The city s a target. The clock s running out. The countdown is on to a blowup "