{
  "type": "edition",
  "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.",
  "title": "2 x 2 = 4 Jujka",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/zbigniew-jujka/2-x-2-4-jujka/8321582397",
  "publisher": "Wydawnictwo Morskie",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "8-321-58239-7",
  "pages": 80,
  "published": "1981-11-01",
  "language": "pl_PL",
  "cover": "https://quivercdn.com/covers/wydawnictwo-morskie/zbigniew-jujka/2-x-2-4-jujka_8-321-58239-7-d9857413.jpg?v=2026-09-03%2022%3A40%3A14",
  "json": "https://www.kolczanksiazek.pl/zbigniew-jujka/2-x-2-4-jujka/8321582397.json",
  "markdown": "https://www.kolczanksiazek.pl/zbigniew-jujka/2-x-2-4-jujka/8321582397.md",
  "binding": "Softcover",
  "description": "Wybór rysunków satyrycznych Zbigniewa Jujki.",
  "book": {
    "title": "2 x 2 = 4 Jujka",
    "slug": "2-x-2-4-jujka",
    "url": "https://www.kolczanksiazek.pl/zbigniew-jujka/2-x-2-4-jujka"
  },
  "authors": [
    {
      "name": "Zbigniew Jujka",
      "slug": "zbigniew-jujka",
      "url": "https://www.kolczanksiazek.pl/zbigniew-jujka"
    }
  ]
}