14. 昨天、明天和今天
1　A C Clarke (1951) 'Sentinel of Eternity', Ten Story Fantasy magazine; (1968) 2001: A Space Odyssey, New American Library
2　I Azimov (1956) I, Robot, Signet
3　D Gerrold (1972) When HARLIE Was One, Ballantine Books.
4　T J Ryan (1977) The Adolescence of P-1, Macmillan Publishing.
5　P Baines (2010) Alpha Redemption, Splashdown Books.