73 books
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150 voters
to-read
(329)
currently-reading (2)
read (375)
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currently-reading (2)
read (375)
sci-fi (64)
science (60)
fiction (50)
business (34)
psychology (26)
skepticism (17)
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(16)
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behavioural-economics (14)
startup (14)
unfinished (11)
must-reads (10)
text-book (10)
development (9)
sociology (9)
classic (8)
“The truth is rarely pure and never simple.”
― The Importance of Being Earnest
― The Importance of Being Earnest
Hard SF
— 1181 members
— last activity Dec 30, 2025 01:03AM
This is a discussion group for this specific subgenre in SF where the plausibility of the science counts.
Amazon Kindle
— 11643 members
— last activity 13 hours, 3 min ago
For readers using the Amazon Kindle ebook device.
Tehran (تهران)
— 53 members
— last activity Feb 12, 2009 07:55AM
shahr zeba va sarshar az zebaei TEHRAN behtarin dar tamam iran
Ali’s 2025 Year in Books
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