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  "formats": "Każda podstrona ma dwie wersje z tymi samymi danymi: JSON (adres strony + .json) i markdown (adres strony + .md). Do każdego `url` w tym dokumencie można dopisać .json albo .md.",
  "title": "Demon",
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  "publisher": "ace",
  "publisher_series": [],
  "translators": [],
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  "illustrators": [],
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  "isbn": "978-11-0162-329-9",
  "pages": null,
  "published": "1987-05-01",
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  "binding": "E-book",
  "description": "The epic conclusion to Hugo and Nebula Award-winning author John Varley's Gaean Trilogy... Gaea, the world and goddess, has gone insane. She has trapped humans in her mind. She has transformed her love...",
  "book": {
    "title": "Demon",
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    "url": "https://www.kolczanksiazek.pl/john-varley/en/demon"
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