{
  "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": "Mały potterownik",
  "slug": "maly-potterownik",
  "url": "https://www.kolczanksiazek.pl/jk-rowling/seria/maly-potterownik",
  "json": "https://www.kolczanksiazek.pl/jk-rowling/seria/maly-potterownik.json",
  "markdown": "https://www.kolczanksiazek.pl/jk-rowling/seria/maly-potterownik.md",
  "author": {
    "name": "J.K. Rowling",
    "slug": "jk-rowling",
    "url": "https://www.kolczanksiazek.pl/jk-rowling"
  },
  "books_in_catalog": 5,
  "volumes_total": 7,
  "published": "2025–2026",
  "missing_volumes": [
    4,
    5
  ],
  "books": [
    {
      "volume": 1,
      "title": "Mały potterownik: Harry Potter",
      "subtitle": null,
      "slug": "maly-potterownik-harry-potter",
      "url": "https://www.kolczanksiazek.pl/jk-rowling/maly-potterownik-harry-potter",
      "publisher": "Media Rodzina",
      "published": "2025-01-01",
      "isbn": "978-83-8265-993-1"
    },
    {
      "volume": 2,
      "title": "Mały potterownik: Hermiona Granger",
      "subtitle": null,
      "slug": "maly-potterownik-hermiona-granger",
      "url": "https://www.kolczanksiazek.pl/jk-rowling/maly-potterownik-hermiona-granger",
      "publisher": "Media Rodzina",
      "published": "2025-01-01",
      "isbn": "978-83-8265-994-8"
    },
    {
      "volume": 3,
      "title": "Mały potterownik: Ron Weasley",
      "subtitle": null,
      "slug": "maly-potterownik-ron-weasley",
      "url": "https://www.kolczanksiazek.pl/jk-rowling/maly-potterownik-ron-weasley",
      "publisher": "Media Rodzina",
      "published": "2025-01-01",
      "isbn": "978-83-8265-995-5"
    },
    {
      "volume": 6,
      "title": "Mały potterownik: Hagrid",
      "subtitle": null,
      "slug": "maly-potterownik-hagrid",
      "url": "https://www.kolczanksiazek.pl/jk-rowling/maly-potterownik-hagrid",
      "publisher": "Media Rodzina",
      "published": "2026-08-26",
      "isbn": "978-83-8416-100-5"
    },
    {
      "volume": 7,
      "title": "Mały potterownik: Zgredek",
      "subtitle": null,
      "slug": "maly-potterownik-zgredek",
      "url": "https://www.kolczanksiazek.pl/jk-rowling/maly-potterownik-zgredek",
      "publisher": "Media Rodzina",
      "published": "2026-08-26",
      "isbn": "978-83-8416-099-2"
    }
  ]
}