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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": "Die zwei Türme",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/jrr-tolkien/de/die-zwei-turme/9783608989427",
  "publisher": "Klett Cotta",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "978-36-0898-942-7",
  "pages": 512,
  "published": "2026-02-14",
  "language": "de_DE",
  "cover": "https://quivercdn.com/covers/klett-cotta/jrr-tolkien/der-herr-der-ringe-bd-2-die-zwei-turme_978-36-0898-942-7-9b07c45a.png?v=2026-09-19%2004%3A05%3A20",
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  "markdown": "https://www.kolczanksiazek.pl/jrr-tolkien/de/die-zwei-turme/9783608989427.md",
  "binding": "Softcover",
  "description": "Ein ungewöhnlicher Held. Eine Reise voller Gefahren. Das größte Abenteuer aller Zeiten.",
  "book": {
    "title": "Die zwei Türme",
    "slug": "die-zwei-turme",
    "url": "https://www.kolczanksiazek.pl/jrr-tolkien/de/die-zwei-turme"
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  "authors": [
    {
      "name": "J.R.R. Tolkien",
      "slug": "jrr-tolkien",
      "url": "https://www.kolczanksiazek.pl/jrr-tolkien"
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}