{
  "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": "La cruz del diablo",
  "subtitle": null,
  "slug": "la-cruz-del-diablo",
  "url": "https://www.kolczanksiazek.pl/gustavo-adolfo-becquer/es/la-cruz-del-diablo",
  "json": "https://www.kolczanksiazek.pl/gustavo-adolfo-becquer/es/la-cruz-del-diablo.json",
  "markdown": "https://www.kolczanksiazek.pl/gustavo-adolfo-becquer/es/la-cruz-del-diablo.md",
  "authors": [
    {
      "name": "Gustavo Adolfo Bécquer",
      "slug": "gustavo-adolfo-becquer",
      "url": "https://www.kolczanksiazek.pl/gustavo-adolfo-becquer"
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  "series": [],
  "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",
  "description": "La cruz del diablo — Libros del zorro rojo",
  "editions": [
    {
      "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",
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      "narrators": [],
      "isbn": "978-84-9650-937-5",
      "pages": 40,
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      "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"
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  "other_languages": [],
  "characters": [],
  "chapters": []
}