{
  "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": "Covenant",
  "slug": "covenant",
  "url": "https://www.kolczanksiazek.pl/jennifer-l-armentrout/seria/covenant",
  "json": "https://www.kolczanksiazek.pl/jennifer-l-armentrout/seria/covenant.json",
  "markdown": "https://www.kolczanksiazek.pl/jennifer-l-armentrout/seria/covenant.md",
  "author": {
    "name": "Jennifer L. Armentrout",
    "slug": "jennifer-l-armentrout",
    "url": "https://www.kolczanksiazek.pl/jennifer-l-armentrout"
  },
  "books_in_catalog": 5,
  "volumes_total": 5,
  "published": "2019–2023",
  "missing_volumes": [],
  "books": [
    {
      "volume": 1,
      "title": "Dwa światy",
      "subtitle": null,
      "slug": "dwa-swiaty",
      "url": "https://www.kolczanksiazek.pl/jennifer-l-armentrout/dwa-swiaty",
      "publisher": "Filia",
      "published": "2019-01-30",
      "isbn": "978-83-8075-599-4"
    },
    {
      "volume": 2,
      "title": "Czyste serce",
      "subtitle": null,
      "slug": "czyste-serce",
      "url": "https://www.kolczanksiazek.pl/jennifer-l-armentrout/czyste-serce",
      "publisher": "Filia",
      "published": "2019-06-19",
      "isbn": "978-83-8075-692-2"
    },
    {
      "volume": 3,
      "title": "Boski gniew",
      "subtitle": null,
      "slug": "boski-gniew",
      "url": "https://www.kolczanksiazek.pl/jennifer-l-armentrout/boski-gniew",
      "publisher": "Filia",
      "published": "2019-10-30",
      "isbn": "978-83-8075-920-6"
    },
    {
      "volume": 4,
      "title": "Moc Apoliona",
      "subtitle": null,
      "slug": "moc-apoliona",
      "url": "https://www.kolczanksiazek.pl/jennifer-l-armentrout/moc-apoliona",
      "publisher": "Filia",
      "published": "2020-03-20",
      "isbn": "978-83-8195-064-0"
    },
    {
      "volume": 5,
      "title": "Siła protektora",
      "subtitle": null,
      "slug": "sila-protektora",
      "url": "https://www.kolczanksiazek.pl/jennifer-l-armentrout/sila-protektora",
      "publisher": "hype",
      "published": "2023-01-25",
      "isbn": "978-83-8280-455-3"
    }
  ]
}