{
  "type": "book",
  "site": {
    "name": "Kołczan Książek",
    "language": "pl-PL",
    "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": "Czwarty K",
  "subtitle": null,
  "slug": "czwarty-k",
  "url": "https://www.kolczanksiazek.pl/mario-puzo/czwarty-k",
  "json": "https://www.kolczanksiazek.pl/mario-puzo/czwarty-k.json",
  "markdown": "https://www.kolczanksiazek.pl/mario-puzo/czwarty-k.md",
  "authors": [
    {
      "name": "Mario Puzo",
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      "url": "https://www.kolczanksiazek.pl/mario-puzo"
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  "language": "pl_PL",
  "original_title": "The Fourth K",
  "original_language": "en",
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  "series": [],
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  "description": "Thriller polityczny najwyższej klasy, który sam Mario Puzo określił swoim najambitniejszym dziełem. Pełna zwrotów akcji, błyskotliwa i prorocza powieść, przewidująca wydarzenia, które zmieniły bieg historii stanów zjednoczonych i całego świata. Nowe",
  "editions": [
    {
      "title": "Czwarty K",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/mario-puzo/czwarty-k/9788367512923",
      "publisher": "Albatros",
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-83-6751-292-3",
      "pages": 512,
      "published": "2023-02-22",
      "language": "pl_PL",
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    {
      "title": "Czwarty K",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/mario-puzo/czwarty-k/9788367512237",
      "publisher": "Albatros",
      "translators": [
        "Andrzej Nowak"
      ],
      "medium": "audio",
      "duration_seconds": 55980,
      "narrators": [
        "Marcin Popczyński"
      ],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-83-6751-223-7",
      "pages": null,
      "published": null,
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  "other_languages": [
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      "title": "The Fourth K",
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  "chapters": []
}