Race Against Time: What's left of America is about to become history. A madman has control of the ultimate weapon-a virus so powerful it will make the nightmare of the nuclear holocaust look like the senior prom. A few drops could wipe out a city. And the madman called Morrigan has enough to destroy the continent-and will-unless he's named the new ruler. The Guardians have just forty-eight hours to terminate Morrigan before he unleashes the most devastating plague mankind has ever seen...