{
  "type": "series",
  "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.",
  "name": "Władca Pierścieni",
  "slug": "wladca-pierscieni",
  "url": "https://www.kolczanksiazek.pl/j-r-r-tolkien/seria/wladca-pierscieni",
  "json": "https://www.kolczanksiazek.pl/j-r-r-tolkien/seria/wladca-pierscieni.json",
  "markdown": "https://www.kolczanksiazek.pl/j-r-r-tolkien/seria/wladca-pierscieni.md",
  "author": {
    "name": "J. R. R. Tolkien",
    "slug": "j-r-r-tolkien",
    "url": "https://www.kolczanksiazek.pl/j-r-r-tolkien"
  },
  "books_in_catalog": 5,
  "volumes_total": 3,
  "published": "2025–2026",
  "missing_volumes": [],
  "books": [
    {
      "volume": 1,
      "title": "Bractwo Pierścienia",
      "subtitle": null,
      "slug": "bractwo-pierscienia",
      "url": "https://www.kolczanksiazek.pl/j-r-r-tolkien/bractwo-pierscienia",
      "publisher": "zysk",
      "published": "2025-09-30",
      "isbn": "978-83-8335-730-0"
    },
    {
      "volume": 1,
      "title": "Drużyna Pierścienia",
      "subtitle": null,
      "slug": "druzyna-pierscienia",
      "url": "https://www.kolczanksiazek.pl/j-r-r-tolkien/druzyna-pierscienia",
      "publisher": "Muza",
      "published": "2026-06-18",
      "isbn": "978-83-2874-229-1"
    },
    {
      "volume": 1,
      "title": "Władca Pierścieni Drużyna Pierścienia",
      "subtitle": null,
      "slug": "wladca-pierscieni-druzyna-pierscienia",
      "url": "https://www.kolczanksiazek.pl/j-r-r-tolkien/wladca-pierscieni-druzyna-pierscienia",
      "publisher": null,
      "published": null,
      "isbn": ""
    },
    {
      "volume": 2,
      "title": "Dwie wieże",
      "subtitle": null,
      "slug": "dwie-wieze",
      "url": "https://www.kolczanksiazek.pl/j-r-r-tolkien/dwie-wieze",
      "publisher": "Muza",
      "published": "2026-01-01",
      "isbn": "978-83-2872-192-0"
    },
    {
      "volume": 3,
      "title": "Powrót króla",
      "subtitle": null,
      "slug": "powrot-krola",
      "url": "https://www.kolczanksiazek.pl/j-r-r-tolkien/powrot-krola",
      "publisher": "Muza",
      "published": "2026-06-18",
      "isbn": "978-83-2872-193-7"
    }
  ]
}