{
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    "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": "Fifty Shades of Grey",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/e-l-james/en/fifty-shades-of-grey/9798217412372",
  "publisher": "Random House Audio",
  "publisher_series": [],
  "translators": [],
  "medium": "audio",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "979-82-1741-237-2",
  "pages": null,
  "published": "2026-06-23",
  "language": "en_US",
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  "binding": "Audiobook",
  "description": "\" And in this quiet moment as I close my eyes, spent and sated, I think I'm in the eye of the storm. And in spite of all he's said, and what he hasn't said, I don't think I have ever been so happy.\" When...",
  "book": {
    "title": "Fifty Shades of Grey",
    "slug": "fifty-shades-of-grey",
    "url": "https://www.kolczanksiazek.pl/e-l-james/en/fifty-shades-of-grey"
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  "authors": [
    {
      "name": "E. L. James",
      "slug": "e-l-james",
      "url": "https://www.kolczanksiazek.pl/e-l-james"
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}