Hard (hitting) SF
Dive into the most hard-hitting science fiction books that challenge minds and push boundaries. Explore gripping, thought-provoking SF reads today.

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The Sparrow
by Mary Doria Russell
A visionary work that combines speculative fiction with deep philosophical inquiry, The Sparrow tells the story of a charismatic Jesuit priest and linguist, Emilio Sandoz, …

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Passage
by Connie Willis
One of those rare, unforgettable novels that are as chilling as they are insightful, as thought-provoking as they are terrifying, award-winning author Connie Willis's Passage …

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Childhood's End
by Arthur C. Clarke
Without warning, giant silver ships from deep space appear in the skies above every major city on Earth. Manned by the Overlords, in fifty years, …