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  "site": {
    "name": "Kołczan Książek",
    "language": "pl-PL",
    "url": "https://www.kolczanksiazek.pl"
  },
  "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.",
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  "subtitle": null,
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  "json": "https://www.kolczanksiazek.pl/johanna-spyriova/heidi.json",
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  "authors": [
    {
      "name": "Johanna Spyriová",
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  "original_language": "de",
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      "code": "FBC",
      "heading": "Klasyka literatury pięknej"
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      "heading": "Publikacje dla dzieci i młodzieży, edukacja"
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      "code": "YBD",
      "heading": "Dziecięce / Nastoletnie: Książki tekst plus obraz"
    },
    {
      "code": "YF",
      "heading": "Literatura dla dzieci i młodzieży"
    },
    {
      "code": "YFB",
      "heading": "Współczesna beletrystyka dla dzieci i młodzieży"
    },
    {
      "code": "YX",
      "heading": "Problemy osobiste i zagadnienia społeczne dla dzieci i młodzieży"
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  "description": "Wzruszająca opowieść o pięcioletniej sierotce Heidi, którą opiekuje się dziadek uznawany za gbura, odludka i dziwaka. Pogodna, mądra i wrażliwa dziewczynka szybko podbija jego serce. Pewnego dnia zostaje zabrana do Frankfurtu, aby dotrzymywać towarzystwa sparaliżowanej córce zamożnego...",
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      "translators": [],
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      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-83-6878-307-0",
      "pages": null,
      "published": "2026-02-20",
      "language": "pl_PL",
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    {
      "title": "Heidi",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/johanna-spyriova/heidi/9788367927130",
      "publisher": "Rytm",
      "publisher_series": [],
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-83-6792-713-0",
      "pages": 176,
      "published": "2024-01-01",
      "language": "pl_PL",
      "cover": "https://quivercdn.com/covers/rytm/johanna-spyriova/heidi_978-83-6792-713-0.webp?v=2026-08-22%2012%3A57%3A53"
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    {
      "title": "Heidi",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/johanna-spyriova/heidi/9788373994638",
      "publisher": "Rytm",
      "publisher_series": [],
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
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      "isbn": "978-83-7399-463-8",
      "pages": 244,
      "published": "2011-01-01",
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      "url": "https://www.kolczanksiazek.pl/johanna-spyri/de/heidi"
    },
    {
      "title": "Heidi",
      "language": "en_US",
      "url": "https://www.kolczanksiazek.pl/johanna-spyri/en/heidi"
    },
    {
      "title": "Heidi",
      "language": "es_ES",
      "url": "https://www.kolczanksiazek.pl/johanna-spyri/es/heidi"
    },
    {
      "title": "Heidi",
      "language": "fr_FR",
      "url": "https://www.kolczanksiazek.pl/johanna-spyriova/fr/heidi"
    },
    {
      "title": "Heidi",
      "language": "it_IT",
      "url": "https://www.kolczanksiazek.pl/johanna-spyri/it/heidi"
    },
    {
      "title": "Heidi",
      "language": "pt_BR",
      "url": "https://www.kolczanksiazek.pl/johanna-spyri/pt/heidi"
    },
    {
      "title": "Гайді",
      "language": "uk_UA",
      "url": "https://www.kolczanksiazek.pl/yohanna-shpiri/uk/haidi"
    }
  ],
  "characters": [],
  "chapters": []
}