{
  "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": "Profesor Challenger",
  "slug": "profesor-challenger",
  "url": "https://www.kolczanksiazek.pl/arthur-conan-doyle/seria/profesor-challenger",
  "json": "https://www.kolczanksiazek.pl/arthur-conan-doyle/seria/profesor-challenger.json",
  "markdown": "https://www.kolczanksiazek.pl/arthur-conan-doyle/seria/profesor-challenger.md",
  "author": {
    "name": "Arthur Conan Doyle",
    "slug": "arthur-conan-doyle",
    "url": "https://www.kolczanksiazek.pl/arthur-conan-doyle"
  },
  "books_in_catalog": 2,
  "volumes_total": 3,
  "published": "2020–2023",
  "missing_volumes": [
    2
  ],
  "books": [
    {
      "volume": 1,
      "title": "Zaginiony świat",
      "subtitle": null,
      "slug": "zaginiony-swiat",
      "url": "https://www.kolczanksiazek.pl/arthur-conan-doyle/zaginiony-swiat",
      "publisher": "Wydawnictwo Siedmioróg",
      "published": "2023-03-21",
      "isbn": "978-83-8279-916-3"
    },
    {
      "volume": 3,
      "title": "Tajemnicze krainy",
      "subtitle": null,
      "slug": "tajemnicze-krainy",
      "url": "https://www.kolczanksiazek.pl/arthur-conan-doyle/tajemnicze-krainy",
      "publisher": "Armoryka",
      "published": "2020-02-19",
      "isbn": "978-83-7950-759-7"
    }
  ]
}