Introduction · Robert Silverberg
Mellonta Tauta · Edgar Allan Poe · Godey’s Lady’s Book Feb, 1849
In the Year 2889 · Jules Verne · The Forum Feb, 1889
Sold to Satan [written Jan 1904] · Mark Twain · Europe & Elsewhere, Harper Bros., 1923
The New Accelerator · H.G. Wells · The Strand Dec ’01
Finis · Frank Lillie Pollock · Argosy Jun ’06
As Easy as A.B.C. · Rudyard Kipling · The London Magazine Mar ’12
Dark Lot of One Saul · M.P. Shiel · The Grand Magazine Feb ’12
R.U.R. · Karel Capek · 1921
The Tissue-Culture King · Julian Huxley · Yale Review Apr ’26
The Metal Man · Jack Williamson · Amazing Dec ’28
The Gostak and the Doshes · Miles J. Breuer · Amazing Mar ’30
Alas, All Thinking! · Harry Bates · Astounding Jun ’35
The Mad Moon · Stanley G. Weinbaum · Astounding Dec ’35
As Never Was · P. Schuyler Miller · Astounding Jan ’44
Desertion/City · Clifford D. Simak · Astounding Nov ’44
The Strange Case of John Kingman · Murray Leinster · Astounding May ’48
Dreams Are Sacred · Peter Phillips · Astounding Sep ’48
Misbegotten Missionary · Isaac Asimov · Galaxy Nov ’50
Dune Roller · Julian May · Astounding Dec ’51
Warm · Robert Sheckley · Galaxy Jun ’53
A Bad Day for Sales · Fritz Leiber · Galaxy Jul ’53
Man of Parts · Horace L. Gold · 9 Tales of Space & Time, ed. Raymond J. Healey, Holt, 1954
The Man Who Came Early · Poul Anderson · F&SF Jun ’56
The Burning of the Brain · Cordwainer Smith · If Oct ’58
The Men Who Murdered Mohammed · Alfred Bester · F&SF Oct ’58
The Man Who Lost the Sea · Theodore Sturgeon · F&SF Oct ’59
Goodlife/Berserker · Fred Saberhagen · Worlds of Tomorrow 12/63
The Sliced-Crosswise Only-On-Tuesday World · Philip José Farmer · New Dimensions I, ed Robert Silverberg, Doubleday, 1971
Gehenna · Barry N. Malzberg · Galaxy Mar ’71
A Meeting with Medusa · Arthur C. Clarke · Playboy Dec ’71
Painwise · James Tiptree, Jr · F&SF Feb ’72
Nobody’s Home · Joanna Russ · New Dimensions II, ed. Robert Silverberg, Doubleday, 1972
Think Only This of Me · Michael J. Kurland · Galaxy Nov ’73
Capricorn Games · Robert Silverberg · The Far Side of Time, ed. Roger Elwood, Dodd Mead, 1974
The Author of the Acacia Seeds & Other Extracts from the Journal of the Association of Therolinguistics · Ursula Le Guin · Fellowship of the Stars, ed Terry Carr, Simon & Schuster, 1974
Doing Lennon · Gregory Benford · Analog Apr ’75