{
  "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": "Mroczne materie",
  "slug": "mroczne-materie",
  "url": "https://www.kolczanksiazek.pl/philip-pullman/seria/mroczne-materie",
  "json": "https://www.kolczanksiazek.pl/philip-pullman/seria/mroczne-materie.json",
  "markdown": "https://www.kolczanksiazek.pl/philip-pullman/seria/mroczne-materie.md",
  "author": {
    "name": "Philip Pullman",
    "slug": "philip-pullman",
    "url": "https://www.kolczanksiazek.pl/philip-pullman"
  },
  "books_in_catalog": 3,
  "volumes_total": 3,
  "published": "2019–2023",
  "missing_volumes": [],
  "books": [
    {
      "volume": 1,
      "title": "Zorza polarna",
      "subtitle": null,
      "slug": "zorza-polarna",
      "url": "https://www.kolczanksiazek.pl/philip-pullman/zorza-polarna",
      "publisher": "Mag",
      "published": "2019-09-04",
      "isbn": "978-83-7480-564-3"
    },
    {
      "volume": 2,
      "title": "Delikatny nóż",
      "subtitle": null,
      "slug": "delikatny-noz",
      "url": "https://www.kolczanksiazek.pl/philip-pullman/delikatny-noz",
      "publisher": "Mag",
      "published": "2023-01-01",
      "isbn": "978-83-6735-336-6"
    },
    {
      "volume": 3,
      "title": "Bursztynowa luneta",
      "subtitle": null,
      "slug": "bursztynowa-luneta",
      "url": "https://www.kolczanksiazek.pl/philip-pullman/bursztynowa-luneta",
      "publisher": "Mag",
      "published": "2023-01-01",
      "isbn": "978-83-6735-337-3"
    }
  ]
}