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  "type": "book",
  "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.",
  "title": "Po co czytać klasyków",
  "subtitle": null,
  "slug": "po-co-czytac-klasykow",
  "url": "https://www.kolczanksiazek.pl/italo-calvino/po-co-czytac-klasykow",
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  "markdown": "https://www.kolczanksiazek.pl/italo-calvino/po-co-czytac-klasykow.md",
  "authors": [
    {
      "name": "Italo Calvino",
      "slug": "italo-calvino",
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  "language": "pl_PL",
  "original_title": "Perché leggere i classici",
  "original_language": "it",
  "first_published": "2020-01-01",
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      "code": "DNL",
      "heading": "Eseistyka literacka"
    },
    {
      "code": "DS",
      "heading": "Literaturoznawstwo i krytyka literacka"
    },
    {
      "code": "FBC",
      "heading": "Klasyka literatury pięknej"
    }
  ],
  "series": [],
  "cover": "https://quivercdn.com/covers/panstwowy-instytut-wydawniczy/italo-calvino/po-co-czytac-klasykow_978-83-8196-138-7.webp?v=2026-08-14%2019%3A12%3A20",
  "description": "Pierwsze polskie",
  "editions": [
    {
      "title": "Po co czytać klasyków",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/italo-calvino/po-co-czytac-klasykow/9788381961387",
      "publisher": "Państwowy Instytut Wydawniczy",
      "publisher_series": [],
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-83-8196-138-7",
      "pages": 336,
      "published": "2020-01-01",
      "language": "pl_PL",
      "cover": "https://quivercdn.com/covers/panstwowy-instytut-wydawniczy/italo-calvino/po-co-czytac-klasykow_978-83-8196-138-7.webp?v=2026-08-14%2019%3A12%3A20"
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  "other_languages": [
    {
      "title": "Warum Klassiker lesen?",
      "language": "de_DE",
      "url": "https://www.kolczanksiazek.pl/italo-calvino/de/warum-klassiker-lesen"
    },
    {
      "title": "Why Read the Classics?",
      "language": "en_GB",
      "url": "https://www.kolczanksiazek.pl/italo-calvino/en/why-read-the-classics"
    },
    {
      "title": "Perché leggere i classici",
      "language": "it_IT",
      "url": "https://www.kolczanksiazek.pl/italo-calvino/it/perche-leggere-i-classici"
    },
    {
      "title": "Por que ler os clássicos",
      "language": "pt_BR",
      "url": "https://www.kolczanksiazek.pl/italo-calvino/pt/por-que-ler-os-classicos"
    }
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  "characters": [],
  "chapters": []
}