Ensuring that peace is the Vulcan supercomputer, responsible for all major decisions. But some people don’t like being taken out of the equation. And others resent the idea that the Vulcan is taking the place of God. As the world grows ever closer to all-out war, one functionary frantically tries to prevent it. But the Vulcan computer has its own plans, plans that might not include humanity at all.
Written in 1960, Philip K. Dick's paranoid novel imagines a totalitarian state in which hammer-headed robots terrorize citizens and freedom is an absurd joke. William Barrios, the morally conflicted hero, may be the only person who can prevent the battle for control from destroying the worldóif, that is, he can decide which side he's on.