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Catalog snapshot checked: 2026-09-25. Coverage: 100 public books, 100 available source excerpts.

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Independent digital catalogue

Classic Science Fiction Archive: 100 Books in Speculative Futures, Machines, Space Voyages & Battles

Q: What does public-domain status mean here?

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This catalogue assembles 100 public-domain science fiction works by 106 authors, organized into four thematic categories: Space Future, Machines Invention, Other Worlds, and Social Speculation. The categories intersect in productive ways—stories of space travel often hinge on technological invention, while social speculation frequently imagines alternative worlds. This structure allows readers to enter the collection through a specific subject interest, then follow connections between categories. Each entry includes basic metadata and source attribution, providing a clear path from catalogue record to the original text. Whether you are exploring the genre's early treatments of space exploration, its fascination with machines, or its thought experiments about society, the catalogue offers a practical, subject-based route into a century of speculative fiction.

100 public-domain works106 represented authorsSource-attributed catalogue records

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