Air raid / John Varley, writing as Herb Boehm (1977) -- The time of the burning / Robert Silverberg (1982) -- Speech sounds / Octavia E. Butler (1983) -- Dinner in Audoghast / Bruce Sterling (1985) -- Robot dreams / Isaac Asimov (1986) -- Glacier / Kim Stanley Robinson (1988) -- Cibola / Connie Willis (1990) -- The happy man / Jonathan Lethem (1991) -- Over there / Mike Resnick (1991) -- Ether, OR / Ursula K. Le Guin (1995) -- Flying lessons / Kelly Link (1996) -- Itsy bitsy spider / James Patrick Kelly (1997) -- Ancient engines / Michael Swanwick (1999) -- Lobsters / Charles Stross (2001) -- Only partly here / Lucius Shepard (2003) -- The children of time / Stephen Baxter (2005) -- Eight episodes / Robert Reed (2006).