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Peter H. Diamandis
@PeterHDiamandis
·
Mar 26, 2023
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What's your favorite Hard Science Fiction book (or book series)?
65 answers
65
https://www.upcarta.com/posts/63502
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Max
@tothemax2050
·
Jan 14, 2023
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My fellow bookworms, name a book you read a zillion times?
79 answers
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https://www.upcarta.com/posts/45702
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