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  "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": "Słowik",
  "subtitle": null,
  "slug": "slowik",
  "url": "https://www.kolczanksiazek.pl/hans-christian-andersen/slowik",
  "json": "https://www.kolczanksiazek.pl/hans-christian-andersen/slowik.json",
  "markdown": "https://www.kolczanksiazek.pl/hans-christian-andersen/slowik.md",
  "authors": [
    {
      "name": "Hans Christian Andersen",
      "slug": "hans-christian-andersen",
      "url": "https://www.kolczanksiazek.pl/hans-christian-andersen"
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  "language": "pl_PL",
  "original_title": "Nattergalen",
  "original_language": "da",
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  "description": "Piękna nie da się zawłaszczyć, a prawdziwa sztuka może rozkwitnąć tylko wtedy, gdy cieszy się wolnością – oto przesłanie baśni Hansa Christiana Andersena, „ Słowik”. Opowieść o cudownym ptaku, który pięknym śpiewem cieszy, wzrusza i uzdrawia – w serii Biblioteczka Teatru Wielkiego - Opery Narodowej. Ilustracje Stasys Eidrigevicius",
  "editions": [
    {
      "title": "Słowik",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/hans-christian-andersen/slowik/9788368589856",
      "publisher": "Wydawnictwo Ibis",
      "publisher_series": [],
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
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      "cover_artists": [],
      "isbn": "978-83-6858-985-6",
      "pages": 18,
      "published": "2026-01-01",
      "language": "pl_PL",
      "cover": "https://quivercdn.com/covers/wydawnictwo-ibis/hans-christian-andersen/slowik-kamishibai_978-83-6858-985-6-ea6e3963.webp?v=2026-10-25%2021%3A10%3A43"
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    {
      "title": "Słowik",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/hans-christian-andersen/slowik/9788361432210",
      "publisher": "Axis Mundi",
      "publisher_series": [],
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
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      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-83-6143-221-0",
      "pages": 48,
      "published": "2012-05-25",
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}