{
  "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": "Siódmy stopień",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/reinhold-messner/siodmy-stopien/0952142104",
  "publisher": "AT Publications",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "0-952-14210-4",
  "pages": 119,
  "published": "1993-01-01",
  "language": "pl_PL",
  "cover": "https://quivercdn.com/covers/at-publications/reinhold-messner/siodmy-stopien_0-952-14210-4-75b2c6f4.jpg?v=2026-09-07%2003%3A48%3A07",
  "json": "https://www.kolczanksiazek.pl/reinhold-messner/siodmy-stopien/0952142104.json",
  "markdown": "https://www.kolczanksiazek.pl/reinhold-messner/siodmy-stopien/0952142104.md",
  "binding": "Softcover",
  "description": "Książka zawiera rozważania autora na temat wspinaczki, prowadzonych treningów, a także sposobów zdobywania najwyższych szczytów.",
  "book": {
    "title": "Siódmy stopień",
    "slug": "siodmy-stopien",
    "url": "https://www.kolczanksiazek.pl/reinhold-messner/siodmy-stopien"
  },
  "authors": [
    {
      "name": "Reinhold Messner",
      "slug": "reinhold-messner",
      "url": "https://www.kolczanksiazek.pl/reinhold-messner"
    }
  ]
}