On the eve of Doomsday, he was fighting to keep the madness from starting - all over again! ** To some it could be only a secret weapon aimed at the heartland of the New United States. To others it was evidence of the Last Judgment. Whatever was causing the sky to "split" over the southwestern desert, Traveler had seen enough to convince him that the end of the world was truly at hand. So far the only question left was whether it would go out with a bang or a whimper. Now Traveler was racing backward through time and space, trying to alter the course of history. And not even he was sure he was ready for what he might find at the end of the road: God or ground zero!