{
  "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": "Trylogia kluczy",
  "slug": "trylogia-kluczy",
  "url": "https://www.kolczanksiazek.pl/nora-roberts/seria/trylogia-kluczy",
  "json": "https://www.kolczanksiazek.pl/nora-roberts/seria/trylogia-kluczy.json",
  "markdown": "https://www.kolczanksiazek.pl/nora-roberts/seria/trylogia-kluczy.md",
  "author": {
    "name": "Nora Roberts",
    "slug": "nora-roberts",
    "url": "https://www.kolczanksiazek.pl/nora-roberts"
  },
  "books_in_catalog": 3,
  "volumes_total": 3,
  "published": "2010–2011",
  "missing_volumes": [],
  "books": [
    {
      "volume": 1,
      "title": "Klucz światła",
      "subtitle": null,
      "slug": "klucz-swiatla",
      "url": "https://www.kolczanksiazek.pl/nora-roberts/klucz-swiatla",
      "publisher": "Prószyński i S-ka",
      "published": "2010-01-01",
      "isbn": "978-83-7648-465-5"
    },
    {
      "volume": 2,
      "title": "Klucz wiedzy",
      "subtitle": null,
      "slug": "klucz-wiedzy",
      "url": "https://www.kolczanksiazek.pl/nora-roberts/klucz-wiedzy",
      "publisher": "Prószyński i S-ka",
      "published": "2010-01-01",
      "isbn": "978-83-7648-510-2"
    },
    {
      "volume": 3,
      "title": "Klucz odwagi",
      "subtitle": null,
      "slug": "klucz-odwagi",
      "url": "https://www.kolczanksiazek.pl/nora-roberts/klucz-odwagi",
      "publisher": "Prószyński i S-ka",
      "published": "2011-01-01",
      "isbn": "978-83-7648-529-4"
    }
  ]
}