I haven’t yet read this short story that Silverberg expanded to a novel in 1967, though perhaps some day I will spot the Ace Double paperback that packaged it along with four other stories and the short novel, The Seed of Earth.

Variants

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  1. “Hopper” by Robert Silverberg, in Infinity Science Fiction, October 1956.
    2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by Robert Silverberg