{
  "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": "Kraina Oz",
  "slug": "kraina-oz",
  "url": "https://www.kolczanksiazek.pl/frank-l-baum/seria/kraina-oz",
  "json": "https://www.kolczanksiazek.pl/frank-l-baum/seria/kraina-oz.json",
  "markdown": "https://www.kolczanksiazek.pl/frank-l-baum/seria/kraina-oz.md",
  "author": {
    "name": "Frank L. Baum",
    "slug": "frank-l-baum",
    "url": "https://www.kolczanksiazek.pl/frank-l-baum"
  },
  "books_in_catalog": 5,
  "volumes_total": 13,
  "published": "1990–2026",
  "missing_volumes": [
    2,
    4,
    5,
    6,
    7,
    8,
    9,
    10,
    11,
    12
  ],
  "books": [
    {
      "volume": 1,
      "title": "Czarnoksiężnik z Krainy Oz",
      "subtitle": null,
      "slug": "czarnoksieznik-z-krainy-oz",
      "url": "https://www.kolczanksiazek.pl/frank-l-baum/czarnoksieznik-z-krainy-oz",
      "publisher": "Wydawnictwo Siedmioróg",
      "published": "2026-01-01",
      "isbn": "978-83-6683-736-2"
    },
    {
      "volume": 1,
      "title": "Czarnoksiężnik ze Szmaragdowego Grodu",
      "subtitle": null,
      "slug": "czarnoksieznik-ze-szmaragdowego-grodu",
      "url": "https://www.kolczanksiazek.pl/frank-l-baum/czarnoksieznik-ze-szmaragdowego-grodu",
      "publisher": "Dwie Siostry",
      "published": null,
      "isbn": "978-83-8150-024-1"
    },
    {
      "volume": 1,
      "title": "Czarodziej z Krainy Oz",
      "subtitle": null,
      "slug": "czarodziej-z-krainy-oz",
      "url": "https://www.kolczanksiazek.pl/frank-l-baum/czarodziej-z-krainy-oz",
      "publisher": "Wydawnictwo Olesiejuk",
      "published": "2017-01-02",
      "isbn": "978-83-2745-279-5"
    },
    {
      "volume": 3,
      "title": "Dorota u króla Gnomów",
      "subtitle": null,
      "slug": "dorota-u-krola-gnomow",
      "url": "https://www.kolczanksiazek.pl/frank-l-baum/dorota-u-krola-gnomow",
      "publisher": "Bellona",
      "published": "2013-03-26",
      "isbn": "978-83-1112-571-1"
    },
    {
      "volume": 13,
      "title": "Czary w krainie Oz",
      "subtitle": null,
      "slug": "czary-w-krainie-oz",
      "url": "https://www.kolczanksiazek.pl/frank-l-baum/czary-w-krainie-oz",
      "publisher": "Nasza Księgarnia",
      "published": "1990-01-01",
      "isbn": "978-83-1008-617-4"
    }
  ]
}