Variants

(1)
  1. The Crossroads of Time by Andre Norton, in Ace Double #D-164: Mankind on the Run by Gordon R. Dickson / The Crossroads of Time by Andre Norton (Ace Books, 1956).
  2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by Andre Norton