Ultimate Solution by Eric Norden (1973); Guido Morselli 's Past Conditional ( Contro-passato prossimo ) (1975); Kingsley Amis 's The Alteration (1976); Ira Levin 's The Boys from Brazil (1976); SS-GB by Len Deighton (1978); The Divide by William Overgard (1980); A Rebel in Time by Harry Harrison (1983); Gray Victory by Robert Skimin