"The Future in Question" (1980), coletânea organizada por Isaac Asimov, Martin Greenberg & Joseph Olander com escritores renomados da ficção científica em língua inglesa do século XX. Publicada em duas partes na Argonauta de bolso da Ed. «Livros do Brasil» - Lisboa (1984): Mensagens do Futuro + O Que Será o Futuro, Argonauta nº 320 e 327.
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• The Nature of the Title (essay by Isaac Asimov)
• What's It Like Out There? (1952) (novelette by Edmond Hamilton)
• Who Can Replace a Man? (1958), short story by Brian W. Aldiss
• What Have I Done? (1952) short story by Mark Clifton
• Who's There? (1958), short story by Arthur C. Clarke
• Can You Feel Anything When I Do This? (1969), short story by Robert Sheckley
• Why? (1957), short story by Robert Silverberg
• What's Become of Screwloose? (1970), short story by Ron Goulart
• Houston, Houston, Do You Read? (1976), novella by James Tiptree, Jr.
• Where Have You Been, Billy Boy, Billy Boy? (1971), short story by Kate Wilhelm
• If All Men Were Brothers, Would You Let One Marry Your Sister? (1967), novella by Theodore Sturgeon
• Will You Wait? (1959), short story by Alfred Bester
• Who Goes There? (1938/1948) novella by John W. Campbell, Jr.
• An Eye for a What? (1957), novelette by Damon Knight
• I Plinglot, Who You? (1959), novelette by Frederik Pohl (variant of I Plinglot - Who You?)
• Will You Walk a Little Faster? (1951), short story by William Tenn (variant of "Will You Walk a Little Faster")
• Who's in Charge Here? (1962), short story by James Blish
• The Last Question (1956), short story by Isaac Asimov.
Aventura / Contos / Ficção científica / Literatura Estrangeira / Suspense e Mistério