{
  "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": "Wampirze cesarstwo",
  "slug": "wampirze-cesarstwo",
  "url": "https://www.kolczanksiazek.pl/jay-kristoff/seria/wampirze-cesarstwo",
  "json": "https://www.kolczanksiazek.pl/jay-kristoff/seria/wampirze-cesarstwo.json",
  "markdown": "https://www.kolczanksiazek.pl/jay-kristoff/seria/wampirze-cesarstwo.md",
  "author": {
    "name": "Jay Kristoff",
    "slug": "jay-kristoff",
    "url": "https://www.kolczanksiazek.pl/jay-kristoff"
  },
  "books_in_catalog": 3,
  "volumes_total": 3,
  "published": "2021–2026",
  "missing_volumes": [],
  "books": [
    {
      "volume": 1,
      "title": "Wampirze cesarstwo",
      "subtitle": null,
      "slug": "wampirze-cesarstwo",
      "url": "https://www.kolczanksiazek.pl/jay-kristoff/wampirze-cesarstwo",
      "publisher": "Mag",
      "published": "2021-11-24",
      "isbn": "978-83-6779-338-4"
    },
    {
      "volume": 2,
      "title": "Cesarstwo potępionych",
      "subtitle": null,
      "slug": "cesarstwo-potepionych",
      "url": "https://www.kolczanksiazek.pl/jay-kristoff/cesarstwo-potepionych",
      "publisher": "Mag",
      "published": "2024-05-15",
      "isbn": "978-83-6806-903-7"
    },
    {
      "volume": 3,
      "title": "Cesarstwo świtu",
      "subtitle": null,
      "slug": "cesarstwo-switu",
      "url": "https://www.kolczanksiazek.pl/jay-kristoff/cesarstwo-switu",
      "publisher": "Mag",
      "published": "2026-03-26",
      "isbn": "978-83-6859-144-6"
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