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Hard SF
This is a discussion group for this specific subgenre in SF where the plausibility of the science counts.
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Argentina
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Not a rule, so much as a suggestion:…more
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The Yahoo and Goodreads Hard SF group
By Username , SF Techgod · 29 posts · 524 views
By Username , SF Techgod · 29 posts · 524 views
last updated Sep 01, 2024 06:55AM
Looking for New Really Hard Sci-Fi
By Rikhard · 51 posts · 326 views
By Rikhard · 51 posts · 326 views
last updated Apr 20, 2026 07:08AM
I recently discovered hard SF and I’m hooked!
By nisa esen · 4 posts · 47 views
By nisa esen · 4 posts · 47 views
last updated Mar 16, 2026 11:06AM
What hard sci-fi books actually use the author's own real published research?
By Patricia · 1 post · 7 views
By Patricia · 1 post · 7 views
last updated May 28, 2026 11:56PM
Hard SF Recommendation Patty's Flight by Craig P. Miller
By Elise · 1 post · 9 views
By Elise · 1 post · 9 views
last updated Mar 24, 2026 01:19PM
Favorite Couples in Sci-Fi and Horror
By Dennis · 1 post · 9 views
By Dennis · 1 post · 9 views
last updated Feb 14, 2018 08:22AM
Early Call for Suggestions for April 2017 BotM
By David · 4 posts · 15 views
By David · 4 posts · 15 views
last updated Feb 26, 2017 08:55AM
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Goodreads Authors doing Hard SF
By Richard · 141 posts · 540 views
By Richard · 141 posts · 540 views
last updated May 24, 2026 02:07PM
New Hard Science Fiction Short Story| Free to read
By Alan · 1 post · 9 views
By Alan · 1 post · 9 views
last updated May 19, 2026 08:41AM
Hard Science Fiction Collection - Goodreads giveaway
By Alan · 1 post · 8 views
By Alan · 1 post · 8 views
last updated May 15, 2026 03:22AM
Kindle Giveaway 9/1-5/24, and Reviewers Wanted for Hard SciFi: "Cadatas' Exploration of the Milky Way"
By Anna · 1 post · 9 views
By Anna · 1 post · 9 views
last updated Aug 31, 2024 12:48PM
New Hard SF Novel Subverted Launched and on Sale!
By Chris · 1 post · 11 views
By Chris · 1 post · 11 views
last updated Apr 24, 2024 02:59AM
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Want to review or discuss a BotM?
By Richard · 1 post · 39 views
By Richard · 1 post · 39 views
last updated Oct 28, 2009 04:57PM
The Hard SF Book of the Month survey for April 2017 is here!
By David · 9 posts · 33 views
By David · 9 posts · 33 views
last updated Mar 10, 2017 06:39AM
Book for November 2014
By Username , SF Techgod · 1 post · 21 views
By Username , SF Techgod · 1 post · 21 views
last updated Oct 31, 2014 06:08PM
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BotM: "Between the Strokes of Night" by Charles Sheffield
By Richard · 3 posts · 37 views
By Richard · 3 posts · 37 views
last updated Sep 21, 2011 08:58PM
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BotM: "The Prefect" by Alastair Reynolds
By Richard · 29 posts · 129 views
By Richard · 29 posts · 129 views
last updated Sep 26, 2012 07:18AM
Events and Narrative Sequence in the Revelation Space series ***SPOILERS, but not in Introduction***
By Richard · 3 posts · 66 views
By Richard · 3 posts · 66 views
last updated Apr 14, 2010 01:16PM
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BotM: "2010: Odyssey Two" by Arthur C. Clarke
By Richard · 6 posts · 85 views
By Richard · 6 posts · 85 views
last updated Feb 18, 2010 01:56PM
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BotM: "Hyperion" by Dan Simmons
By Richard · 9 posts · 166 views
By Richard · 9 posts · 166 views
last updated Apr 22, 2013 04:53AM
Hyperion - sort of six short stories
By David · 14 posts · 90 views
By David · 14 posts · 90 views
last updated Jan 17, 2015 11:35PM
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BotM: "Fool's War" by Sarah Zettel
By Richard · 5 posts · 54 views
By Richard · 5 posts · 54 views
last updated Dec 21, 2009 07:21AM
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BotM: "Beggars in Spain" by Nancy Kress
By Richard · 6 posts · 78 views
By Richard · 6 posts · 78 views
last updated Oct 16, 2009 12:43PM
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