Vyrko, the Last Man on Earth, is confined to a shelter with the beautiful but unalluring scientist’s daughter Lavra, until he starts reading a stash of old pulp magazines with stories that exactly describe himself and Lavra.
Good old endless-cycle gimmick. Lot of fun to kick around but Bob Heinlein did it once and for all in ‘By His Bootstraps.’ Damnedest tour de force I ever read; there just aren’t any switcheroos left after that.

Variants

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  1. “Transfer Point” by Anthony Boucher, in Galaxy, November 1950.
    2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by Anthony Boucher