Sign in with Facebook
32,839 books
—
124,654 voters
Two economists are walking along the street, and one says, “Hey, someone dropped a $20 bill!” and the other says, “Well, it can’t be a real $20 bill because someone would have picked it up already.”
Hard SF
— 1207 members
— last activity Jul 14, 2026 05:19PM
This is a discussion group for this specific subgenre in SF where the plausibility of the science counts.
Scott’s 2025 Year in Books
Take a look at Scott’s Year in Books, including some fun facts about their reading.
2,069 books
|
87 friends
41 books
|
20 friends
173 books
|
80 friends
980 books
|
74 friends
177 books
|
67 friends
48 books
|
6 friends
13 books
|
20 friends
675 books
|
24 friends
More friends…
Favorite Genres
Polls voted on by Scott
Lists liked by Scott