It was the supreme irony. Humanity, apparently, feared being RECALLED TO LIFE more than it feared death itself.
When Harker joined the little group of scientists, he didn't realize the problems he would face. Their discovery made it possible to revive corpses to a full, healthy life. They thought the world would welcome it as the greatest boon of all time.
Instead, the world fought them, bitterly and savagely. Bewildered, they could find no way to fight back. The problem was Harker's to solve, and there seemed to be only one answer...
Harker himself had to die!
In the introduction to the Ace edition, Silverberg remarks that
virtually its sequel. The title is from Dickens' Tale of Two Cities. It is reported that the text was revised for the 1972 hardback publication (and all subsequent publications are probably this version), but I have not compared them myself to check on it.
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