doppels

mantis sez < There was a rash of "twin planet" stories in the seventies, wasn't there? 5HC, and then THE DISPOSSESSED, and who knows what else. Odd. > A recurrent trope in sf, neh? Recently re-read a quite impressive long novella by Blish, `Get out of my sky', from Astounding in 1956 (and in an antho with Poul Anderson's `Sister Planet' from 1959). Bob Forward's Rocheworld books (1982-1990), Bob Shaw's 1986-9 wooden spaceship trilogy (where pi = 3.000). Damien Broderick