Roy (1970); Lighter than a Feather by David Westheimer (1971); The Iron Dream by Norman Spinrad (1972); Tunnel Through the Deeps by Harry Harrison (1972); For Want of a Nail by Robert N. Sobel (1973); The Ultimate Solution by Eric Norden (1973); Guido Morselli 's Past Conditional ( Contro-passato prossimo ) (1975); Kingsley Amis 's