10 Best Hard Sci-Fi Books of All Time
Hard science fiction is a subgenre of science fiction writing that emphasizes scientific accuracy and precise technical detail as part of its world-building. Enjoy 10 Best Hard Sci-Fi Books of All Time!
kim stanley robinson
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The Alternative History Book Quiz
Alternate history is a subgenre of science fiction and historical fiction in which history has departed from the world’s true history. Test your knowledge of this genre with our Alternative History Book Quiz