After a passing comet throws the earth’s axis out of kilter, the survivors, searching for a habitable spot to live on the planet’s surface, stumble upon a colony from the lost continent of Mu, whereupon war breaks out (after all, there’s limited land available now) and the Muians have a time-travel trick up their sleeves.

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  1. “When the Earth Tilted” by J. M. Walsh, in Wonder Stories, May 1932.
  2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by J. M. Walsh