In a desolate sector of space floats the Well World — the ancient Markovian supercomputer that first created and now maintains the Universe.While attempting to repel an insidious intergalactic invasion, Mankind resorts to a weapon of such awesome destructive power that it undermines the Well World's control of time and space and threatens the very existence of the Universe.It was up to Mavra Chang — victim and veteran of the Wars of the Well — and Obie, her colossal computer companion, to find the only being capable of going to the Well World and repairing the damage at its source.But the infamous and near-mythical Nathan Brazil — sometime freighter captain, often the Wandering Jew, perhaps even God — did not want to be found.But Mavra and Obie were never two to take no for an answer...