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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": "Tajemnice Chopina",
  "subtitle": null,
  "slug": "tajemnice-chopina",
  "url": "https://www.kolczanksiazek.pl/ewa-solinska/tajemnice-chopina",
  "json": "https://www.kolczanksiazek.pl/ewa-solinska/tajemnice-chopina.json",
  "markdown": "https://www.kolczanksiazek.pl/ewa-solinska/tajemnice-chopina.md",
  "authors": [
    {
      "name": "Ewa Solińska",
      "slug": "ewa-solinska",
      "url": "https://www.kolczanksiazek.pl/ewa-solinska"
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  "language": "pl_PL",
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  "description": "Zaskakujące tajemnice życia Fryderyka Chopina. Wśród nich tak podstawowe, jak kłopoty z ustaleniem daty jego narodzin czy diagnoza choroby, na którą zmarł. Obraz Chopina, jaki wyłania się z kart książki, zaprzecza ugruntowanym stereotypom. To nie tylko geniusz żyjący w wyidealizowanym świecie...",
  "editions": [
    {
      "title": "Tajemnice Chopina",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/ewa-solinska/tajemnice-chopina/9788373999503",
      "publisher": "Rytm",
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      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
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      "isbn": "978-83-7399-950-3",
      "pages": 172,
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    {
      "title": "Tajemnice Chopina",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/ewa-solinska/tajemnice-chopina/9788373995161",
      "publisher": "Rytm",
      "publisher_series": [],
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      "duration_seconds": null,
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      "isbn": "978-83-7399-516-1",
      "pages": 240,
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