about science fiction fandom modelled on John Bunyan's The Pilgrim's Progress. Bibliography Novels and collections of short stories Night Walk (1967). Banner. The Two-Timers (1968). New York: Ace Books. The Palace of Eternity (1969). New York: Ace Pub. Corp. The Shadow of Heaven (1969). New York: Avon. One Million Tomorrows (1970). New York: Ace Books. Ground Zero Man (1971). New York: Avon Books. – revised edition published as The Peace Machine (1985). London: Gollancz. Other Days, Other Eyes (1972). New York: Ace Books. Tomorrow Lies in Ambush (1973). London: Gollancz. – collection. The Orbitsville trilogy Orbitsville (1975). London: Gollancz. Orbitsville Departure (1983). New York: DAW Books. Orbitsville Judgement (1990). London: Gollancz. A Wreath of Stars (1976). London: Gollancz. Cosmic Kaleidoscope (1976). London: Gollancz. – collection. Cosmic Kaleidoscope (1977). New York: Doubleday – collection. Medusa's Children (1977). New York: Doubleday. The Warren Peace saga Who Goes Here? (1977). London: Gollancz. – reissued in 1988 with a short story The Giaconda Caper. Warren Peace (1993). London: Gollancz. – reissued in 1994 as Dimensions Ship of Strangers (1978). London: Gollancz – collection. Vertigo (1978). London: Gollancz. reissued in 1991 as Terminal Velocity by the same publisher. Dagger of the Mind (1979). London: Gollancz. The Ceres Solution (1981). London: Granada. Galactic Tours (1981, with David A. Hardy). Courageous New Planet (1981). Birmingham Science Fiction Group – limited-edition chapbook. A Better Mantrap (1982). London: Gollancz – collection. Fire Pattern (1984). London: Gollancz. Messages Found in an Oxygen Bottle (1986). Cambridge, Massachusetts: Nesfa. – collection. Bound double format with Between Two Worlds by Terry Carr Land and Overland trilogy The Ragged Astronauts (1986). London: Gollancz. The Wooden Spaceships (1988). London: Gollancz. The Fugitive Worlds (1989). London: Gollancz. Killer Planet (1989). London: Gollancz. Dark Night in Toyland (1989). London: Gollancz – collection. Overload (1995). Birmingham Science Fiction Group – limited-edition chapbook. Nonfiction The Best of the Bushel (1979) The Eastercon Speeches (1979) How to Write Science Fiction (1993) A Load of Old BoSh (1995) (includes The Eastercon Speeches'') Selected short stories "Light of Other Days" (1966) "Skirmish on a Summer Morning" (1976) "Unreasonable Facsimile" (1974) "A Full Member of the Club" (1974) "The Silent Partners" (1959) "The Element of Chance" (1969) "The Gioconda Caper" (1976) "An Uncomic Book Horror Story" (1975) "Deflation 2001" (1972) "Waltz of the Bodysnatchers" (1976) "A Little Night Flying" ("Dark Icarus") (1975) See also List of Northern Irish writers References Sources Further reading