World of If
1964
· English
Future researchers mistake twentieth-century science-fiction writers for prophets who can solve their technical problems. They travel back to a convention to recruit Poul Anderson, with unexpected consequences for the future they hope to secure.
Chronology
Latest supported composition boundary based on agency receipt evidence.
Apr 10, 1963
World of If
1964
· English
No magazine appearances are recorded.
1992 · Avo Nova
United States · English
1987 · Underwood-Miller
United States · English
1987 · Underwood-Miller
United States · English
1987 · Underwood-Miller
United States · English
1989 · Gollancz
United Kingdom · English
1991 · Grafton
United Kingdom · English
1991 · Citadel Twilight
United States · English
2000 · Millenium
United Kingdom · English
2000 · Citadel
United States · English
2002 · Citadel
United States · English
2002 · Citadel
United States · English
2013 · Subterranean Press
United States · English
April 26, 2016 · Citadel
United States · English
2023 · Orion
United Kingdom · English
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