{
  "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": "Ciemne źródła",
  "subtitle": null,
  "slug": "ciemne-zrodla",
  "url": "https://www.kolczanksiazek.pl/andrzej-lam/ciemne-zrodla",
  "json": "https://www.kolczanksiazek.pl/andrzej-lam/ciemne-zrodla.json",
  "markdown": "https://www.kolczanksiazek.pl/andrzej-lam/ciemne-zrodla.md",
  "authors": [
    {
      "name": "Andrzej Lam",
      "slug": "andrzej-lam",
      "url": "https://www.kolczanksiazek.pl/andrzej-lam"
    }
  ],
  "language": "pl_PL",
  "original_title": null,
  "original_language": null,
  "first_published": "2019-01-01",
  "genres": [],
  "series": [],
  "cover": "https://quivercdn.com/covers/aspra/andrzej-lam/ciemne-zrodla_978-83-7545-746-9.webp?v=2026-08-08%2023%3A34%3A32",
  "description": "Prezentacja siedemdziesięciu poetów z różnych regionów Niemiec, z Austrii i Śląska piastowskich książąt. Poezja minnesingerów, Anioła Ślązaka, J. W. Goethego, F. Hölderlina, J. v. Eichendorffa, H. Heinego, E. Mörikego, S. Georgego, R. M. Rilkego, E. Stadlera, G. Trakla, G. Heyma, G. Benna w...",
  "editions": [
    {
      "title": "Ciemne źródła",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/andrzej-lam/ciemne-zrodla/9788375457469",
      "publisher": "ASPRA",
      "publisher_series": [],
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-83-7545-746-9",
      "pages": 522,
      "published": "2019-01-01",
      "language": "pl_PL",
      "cover": "https://quivercdn.com/covers/aspra/andrzej-lam/ciemne-zrodla_978-83-7545-746-9.webp?v=2026-08-08%2023%3A34%3A32"
    }
  ],
  "other_languages": [],
  "characters": [],
  "chapters": []
}