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    "url": "https://www.kolczanksiazek.pl"
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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": "Niezłomni. W służbie Boga i Polski",
  "subtitle": null,
  "slug": "niezlomni-w-sluzbie-boga-i-polski",
  "url": "https://www.kolczanksiazek.pl/jozef-marecki/niezlomni-w-sluzbie-boga-i-polski",
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  "authors": [
    {
      "name": "Józef Marecki",
      "slug": "jozef-marecki",
      "url": "https://www.kolczanksiazek.pl/jozef-marecki"
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  "language": "pl_PL",
  "original_title": null,
  "original_language": null,
  "first_published": "2014-01-01",
  "genres": [],
  "series": [],
  "cover": "https://quivercdn.com/covers/wydawnictwo-wam/jozef-marecki/niezlomni-w-sluzbie-boga-i-polski_978-83-7767-891-6.jpg?v=2026-07-04%2003%3A34%3A39",
  "description": "W czwartym tomie serii prezentowana jest postać kard. Stefana Wyszyńskiego.",
  "editions": [
    {
      "title": "Niezłomni. W służbie Boga i Polski",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/jozef-marecki/niezlomni-w-sluzbie-boga-i-polski/9788377678916",
      "publisher": "Wydawnictwo Wam",
      "publisher_series": [],
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-83-7767-891-6",
      "pages": 782,
      "published": "2014-01-01",
      "language": "pl_PL",
      "cover": "https://quivercdn.com/covers/wydawnictwo-wam/jozef-marecki/niezlomni-w-sluzbie-boga-i-polski_978-83-7767-891-6.jpg?v=2026-07-04%2003%3A34%3A39"
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  "characters": [],
  "chapters": []
}