{
  "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": "Murdle Junior",
  "slug": "murdle-junior",
  "url": "https://www.kolczanksiazek.pl/chris-grabenstein/seria/murdle-junior",
  "json": "https://www.kolczanksiazek.pl/chris-grabenstein/seria/murdle-junior.json",
  "markdown": "https://www.kolczanksiazek.pl/chris-grabenstein/seria/murdle-junior.md",
  "author": {
    "name": "Chris Grabenstein",
    "slug": "chris-grabenstein",
    "url": "https://www.kolczanksiazek.pl/chris-grabenstein"
  },
  "books_in_catalog": 3,
  "volumes_total": 3,
  "published": "2025",
  "missing_volumes": [],
  "books": [
    {
      "volume": 1,
      "title": "Murdle Junior. Wyzwania dla dociekliwych",
      "subtitle": null,
      "slug": "murdle-junior-wyzwania-dla-dociekliwych",
      "url": "https://www.kolczanksiazek.pl/g-t-karber/murdle-junior-wyzwania-dla-dociekliwych",
      "publisher": "publicat",
      "published": "2025-03-26",
      "isbn": "978-83-2712-776-1"
    },
    {
      "volume": 2,
      "title": "Murdle Junior. Gotowi, do startu, rozwiązujemy!",
      "subtitle": null,
      "slug": "murdle-junior-gotowi-do-startu-rozwiazujemy",
      "url": "https://www.kolczanksiazek.pl/g-t-karber/murdle-junior-gotowi-do-startu-rozwiazujemy",
      "publisher": "publicat",
      "published": "2025-09-10",
      "isbn": "978-83-2712-777-8"
    },
    {
      "volume": 3,
      "title": "Murdle Junior. Przerwa na śledztwo",
      "subtitle": null,
      "slug": "murdle-junior-przerwa-na-sledztwo",
      "url": "https://www.kolczanksiazek.pl/chris-grabenstein/murdle-junior-przerwa-na-sledztwo",
      "publisher": "publicat",
      "published": "2025-10-15",
      "isbn": "978-83-2712-810-2"
    }
  ]
}