{
  "type": "edition",
  "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": "Robert Schumann",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/marta-biesiekierska/robert-schumann/8360004285",
  "publisher": "Mediasat Poland",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "8-360-00428-5",
  "pages": 43,
  "published": "2006-01-01",
  "language": "pl_PL",
  "cover": "https://quivercdn.com/covers/mediasat-poland/marta-biesiekierska/robert-schumann_8-360-00428-5-5966be1d.jpg?v=2026-09-01%2023%3A32%3A25",
  "json": "https://www.kolczanksiazek.pl/marta-biesiekierska/robert-schumann/8360004285.json",
  "markdown": "https://www.kolczanksiazek.pl/marta-biesiekierska/robert-schumann/8360004285.md",
  "binding": "Softcover",
  "description": "Biografia kompozytora z dodaną płytą CD z przykładowymi kompozycjami.",
  "book": {
    "title": "Robert Schumann",
    "slug": "robert-schumann",
    "url": "https://www.kolczanksiazek.pl/marta-biesiekierska/robert-schumann"
  },
  "authors": [
    {
      "name": "Marta Biesiekierska",
      "slug": "marta-biesiekierska",
      "url": "https://www.kolczanksiazek.pl/marta-biesiekierska"
    }
  ]
}