What are the most popular sci - fi novels?

The 'Children of Blood and Bone' by Tomi Adeyemi, while also having elements of fantasy, has some sci - fi undertones. It was very popular in 2018. The world - building is excellent, with a richly detailed setting that draws readers in. There are complex characters and a plot that keeps you hooked from start to finish.

The most popular 2014 sci - fi novels include 'Ancillary Justice'. It won several awards and was popular for its complex world - building and exploration of identity in relation to AI. Also, 'Red Rising' gained a lot of fans. The story of a young man fighting against a rigid caste system in a future society was very appealing to many readers, especially those who like action - packed and thought - provoking stories.

The 'Foundation' series by Isaac Asimov is extremely popular. It features a grand vision of a galactic empire in decline and the efforts to preserve knowledge. 'Ender's Game' by Orson Scott Card is well - loved too. It tells the story of a young boy, Ender, who is trained to fight in a future war against an alien race. And 'The Hitchhiker's Guide to the Galaxy' by Douglas Adams is a hilarious and off - beat sci - fi novel that has gained a huge following.

I think 'Altered Carbon' is quite popular. It has been adapted into a TV show, which has brought more attention to the story. Its concept of digital immortality and the noir - like detective story set in a far - future world really attract a lot of readers.

The 'Imperial Radch' trilogy by Ann Leckie, especially 'Ancillary Justice', is quite popular. It has complex world - building and characters whose relationships, including lesbian relationships, are part of the fabric of the story. Another popular one is 'Ninefox Gambit' by Yoon Ha Lee. It has a unique military - sci - fi setting and features diverse relationships, among which are lesbian ones.

One of the most popular Asimov sci - fi novels is 'Foundation'. It presents an elaborate galactic empire and the concept of psychohistory. Another is 'I, Robot', which explores the relationship between humans and robots through a series of short stories. 'The Gods Themselves' is also well - liked, with its unique take on energy sources and alien life forms.

The 'Twilight' series is extremely popular. It combines vampire lore with a love story set in a modern - day world, with some elements of the supernatural that could be considered sci - fi, like the vampires' special abilities. Another popular one is 'The Vampire Chronicles' by Anne Rice. Her books have been around for a long time and have a large following. They explore vampire existence in great detail, with some elements that touch on the idea of immortality from a more philosophical and sometimes scientific - like perspective.

Definitely 'Dragonriders of Pern'. It has a huge following. People love the idea of the telepathic bond between the riders and the dragons, and the whole post - apocalyptic - like setting on Pern where the humans rely on the dragons for protection against the Thread. It has been around for a long time and has inspired many other works.

Definitely 'Ender's Game'. It has a great story about a young boy, Ender, who is trained to fight in a war against an alien race. The character development and the moral dilemmas in the book are really interesting, which makes it a popular choice among sci - fi fans.

I think 'Starship Troopers' is quite popular. It has an interesting take on military in a sci - fi setting. The story involves a future where humans are at war with an alien race and the training and experiences of the soldiers.