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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": "Spe salvi",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/benedykt-xvi/spe-salvi/9788374545563",
  "publisher": "Wydawnictwo Wam",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "978-83-7454-556-3",
  "pages": 96,
  "published": "2024-01-01",
  "language": "pl_PL",
  "cover": "https://quivercdn.com/covers/wydawnictwo-wam/benedykt-xvi/encyklika-spe-salvi_978-83-7454-556-3.jpg?v=2026-07-02%2016%3A31%3A16",
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  "markdown": "https://www.kolczanksiazek.pl/benedykt-xvi/spe-salvi/9788374545563.md",
  "binding": "Softcover",
  "description": "Nadzieja stanowi centralne słowo wiary biblijnej.  Papież analizuje pojęcie chrześcijańskiej nadziei w kontekście filozofii nowożytnej.",
  "book": {
    "title": "Spe salvi",
    "slug": "spe-salvi",
    "url": "https://www.kolczanksiazek.pl/benedykt-xvi/spe-salvi"
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  "authors": [
    {
      "name": "Benedykt XVI",
      "slug": "benedykt-xvi",
      "url": "https://www.kolczanksiazek.pl/benedykt-xvi"
    }
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}