Well, 'Ender's Game' by Orson Scott Card is likely to be in the stack. It tells the story of a young boy trained for interstellar warfare. 'Foundation' by Isaac Asimov is another classic. It's set in a vast galactic empire and explores concepts like psychohistory. And 'Brave New World' by Aldous Huxley, which depicts a future society with strict caste systems and technological control over human behavior.
There's 'Warm Bodies' by Isaac Marion. It's a unique take on the zombie apocalypse genre with a science - fiction backdrop, but also has a really sweet and unexpected romantic story between a zombie and a human. If you like stories with strong female leads, 'Luna: New Moon' by Ian McDonald could be in the stack. It has a complex political and scientific setting on the moon and a budding romance.
I'm not sure which ones are the most popular exactly, but 'Snow Crash' by Neal Stephenson is often highly regarded. It's set in a future where the world has been transformed by a new form of technology and virtual reality, and it has a really unique and engaging plot.
Another popular one might be 'The Uplift War' by David Brin. It's part of a series and in 1989 it was attracting a lot of attention for its unique take on the evolution of intelligent species and the politics between them.
I'm not entirely sure which ones were the most popular, but 'Doomsday Book' was widely talked about. It had an interesting premise of time - traveling historians.
Another popular one could be 'The Uplift War'. It was part of a well - known series and had a lot of fans who were into the idea of the uplift concept, where lower species are 'uplifted' to sentience by higher ones. It had exciting battles and interesting alien species interactions.
'Gateway' is also very popular. Its exploration of human nature in the face of the unknown, along with the unique setting of the alien space station, has attracted a large number of readers. People are drawn to the mystery of the ships and the potential for discovery, as well as the well - developed characters.
'Wool' by Hugh Howey was quite popular too. It's set in a post - apocalyptic silo, and the mystery and the characters' struggles within that confined space were really engaging for readers. The story gradually unfolds, revealing more about the world outside the silo as it progresses, which kept readers hooked.
You could organize them alphabetically by the author's last name. This makes it easy to find a specific book when you remember the author.
Some of the popular ones might include 'Dune' related discussions. 'Dune' has a complex world with its unique politics, ecology, and characters, which often sparks in - depth conversations on Stack Exchange Science Fiction.
Praxis Books science fiction has a good following. They tend to blend different sub - genres of science fiction like space opera and cyberpunk in interesting ways. Their books also usually have well - developed characters that readers can really connect with.