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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": "El cuco de cristal",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/javier-castillo/el-cuco-de-cristal/9788466380515",
  "publisher": "Debolsillo",
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  "translators": [],
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  "illustrators": [],
  "cover_artists": [],
  "isbn": "978-84-6638-051-5",
  "pages": null,
  "published": "2026-01-01",
  "language": "pl_PL",
  "cover": "https://quivercdn.com/covers/debolsillo/javier-castillo/el-cuco-de-cristal_978-84-6638-051-5.webp?v=2026-08-09%2016%3A05%3A15",
  "json": "https://www.kolczanksiazek.pl/javier-castillo/el-cuco-de-cristal/9788466380515.json",
  "markdown": "https://www.kolczanksiazek.pl/javier-castillo/el-cuco-de-cristal/9788466380515.md",
  "binding": "Softcover",
  "description": "¿ESTÁS PREPARADO PARA ARRIESGAR TU CORAZÓN? Vuelve Javier Castillo. Magnética - Salvaje - Monumental - TrepidanteEl regreso más esperado. Más de 2.500.000 de ejemplares vendidos. Un trasplante de urgenciaUn donante lleno de secretos¿Qué esconden los latidos de tu corazón? Nueva York, 2017. Cora Merlo,...",
  "book": {
    "title": "El cuco de cristal",
    "slug": "el-cuco-de-cristal",
    "url": "https://www.kolczanksiazek.pl/javier-castillo/el-cuco-de-cristal"
  },
  "authors": [
    {
      "name": "Javier Castillo",
      "slug": "javier-castillo",
      "url": "https://www.kolczanksiazek.pl/javier-castillo"
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