A band of twenty-second century exiles steps through a gate to the Pliocene where they hope to start a new life, but they didn’t expect to find exotic aliens for company.
“None of the above,” said Aiken Drum. “I choose Exile.”

Variants

(1)
  1. The Saga of the Pliocene Exile by Julian May (1981).
  2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by Julian May