Bookstores are a traditional and good option. Some independent bookstores might be interested in buying your science fiction books to add to their inventory, especially if they have a section dedicated to the genre.
Bookstores, both independent and chain ones, are traditional but effective places. Some cities have specialized science fiction bookstores. Also, you can try selling at second - hand stores. They often have a section for science fiction books. And don't forget about your own website. If you can drive traffic to it, it can be a very profitable place to sell.
You could try selling them on online marketplaces like Amazon or eBay. They have a wide customer base interested in various genres, including science fiction.
Another way is to participate in local book fairs or flea markets. Set up an attractive booth and have some sample pages available for people to read. Interact with potential customers and tell them what makes your science fiction books special.
Online marketplaces such as AbeBooks are great for selling old science fiction books. It has a large community of book collectors and enthusiasts who are often looking for rare or out - of - print titles.
You can try selling them on online platforms like Amazon or eBay. Just create an account, list the books with good descriptions and reasonable prices, and wait for buyers.
Local community bulletin boards, either physical ones at places like coffee shops or libraries, or online community boards. People in your local area might be interested in your used science fiction books. It's a good way to support the local community and find a buyer who might not look on larger, more commercial platforms.
You can try online platforms like Amazon or eBay. Just create an account, list your books with clear descriptions and good photos, and set a reasonable price.
One popular 'hard sell' science fiction book is 'Neuromancer' by William Gibson. It was revolutionary in its cyberpunk vision. Another is 'Dune' by Frank Herbert. Its complex world - building and political intrigue make it a classic that was initially a hard sell but became extremely popular. And 'Hyperion' by Dan Simmons also fits. It has a complex narrative structure that might seem off - putting at first but draws readers in with its deep exploration of ideas.