{
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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": "La cruz del diablo",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/gustavo-adolfo-becquer/es/la-cruz-del-diablo/9788496509375",
  "publisher": "Libros del zorro rojo",
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "isbn": "978-84-9650-937-5",
  "pages": 40,
  "published": null,
  "language": "es_AR",
  "cover": "https://quivercdn.com/covers/libros-del-zorro-rojo/gustavo-adolfo-becquer/la-cruz-del-diablo_978-84-9650-937-5.jpg?v=2026-04-17%2020%3A39%3A18",
  "json": "https://www.kolczanksiazek.pl/gustavo-adolfo-becquer/es/la-cruz-del-diablo/9788496509375.json",
  "markdown": "https://www.kolczanksiazek.pl/gustavo-adolfo-becquer/es/la-cruz-del-diablo/9788496509375.md",
  "binding": "Softcover",
  "description": "La cruz del diablo — Libros del zorro rojo",
  "book": {
    "title": "La cruz del diablo",
    "slug": "la-cruz-del-diablo",
    "url": "https://www.kolczanksiazek.pl/gustavo-adolfo-becquer/es/la-cruz-del-diablo"
  },
  "authors": [
    {
      "name": "Gustavo Adolfo Bécquer",
      "slug": "gustavo-adolfo-becquer",
      "url": "https://www.kolczanksiazek.pl/gustavo-adolfo-becquer"
    }
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}