Joseph Schwartz takes one step from 1949 to the year 847 of the Galactic Era, where he meets archaeologist Bel Arvardan, Earth scientist Dr. Shekt, the doctor’s beautiful daughter Pola, and a plot to destroy all non-Earth life in the galaxy.
He lifted his foot to step over a Raggedy Ann doll smiling through its neglect as it lay there in the middle of the walk, a foundling not yet missed. He had not quite put his foot down again. . .

Variants

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  1. Pebble in the Sky by Isaac Asimov (Doubleday, January 1950).
  2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by Isaac Asimov