{
  "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": "Langer",
  "slug": "langer",
  "url": "https://www.kolczanksiazek.pl/remigiusz-mroz/seria/langer",
  "json": "https://www.kolczanksiazek.pl/remigiusz-mroz/seria/langer.json",
  "markdown": "https://www.kolczanksiazek.pl/remigiusz-mroz/seria/langer.md",
  "author": {
    "name": "Remigiusz Mróz",
    "slug": "remigiusz-mroz",
    "url": "https://www.kolczanksiazek.pl/remigiusz-mroz"
  },
  "books_in_catalog": 4,
  "volumes_total": 4,
  "published": "2023–2026",
  "missing_volumes": [],
  "books": [
    {
      "volume": 1,
      "title": "Langer",
      "subtitle": null,
      "slug": "langer",
      "url": "https://www.kolczanksiazek.pl/remigiusz-mroz/langer",
      "publisher": "Czwarta Strona",
      "published": "2023-04-12",
      "isbn": "978-83-6761-687-4"
    },
    {
      "volume": 2,
      "title": "Paderborn",
      "subtitle": null,
      "slug": "paderborn",
      "url": "https://www.kolczanksiazek.pl/remigiusz-mroz/paderborn",
      "publisher": "Czwarta Strona",
      "published": "2024-03-27",
      "isbn": "978-83-6797-493-6"
    },
    {
      "volume": 3,
      "title": "Ozyrys",
      "subtitle": null,
      "slug": "ozyrys",
      "url": "https://www.kolczanksiazek.pl/remigiusz-mroz/ozyrys",
      "publisher": "Czwarta Strona",
      "published": "2025-01-01",
      "isbn": "978-83-6837-035-5"
    },
    {
      "volume": 4,
      "title": "Arachnia",
      "subtitle": null,
      "slug": "arachnia",
      "url": "https://www.kolczanksiazek.pl/remigiusz-mroz/arachnia",
      "publisher": "Czwarta Strona",
      "published": "2026-03-11",
      "isbn": "978-83-6869-219-8"
    }
  ]
}