{
  "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": "Grunwald - problemy wybrane",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/andrzej-nadolski/grunwald-problemy-wybrane/9788392921868",
  "publisher": "Templum",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "978-83-9292-186-8",
  "pages": 286,
  "published": "2010-01-01",
  "language": "pl_PL",
  "cover": "https://quivercdn.com/covers/templum/andrzej-nadolski/grunwald-problemy-wybrane_978-83-9292-186-8-b0162450.jpg?v=2026-08-31%2018%3A20%3A56",
  "json": "https://www.kolczanksiazek.pl/andrzej-nadolski/grunwald-problemy-wybrane/9788392921868.json",
  "markdown": "https://www.kolczanksiazek.pl/andrzej-nadolski/grunwald-problemy-wybrane/9788392921868.md",
  "binding": "Softcover",
  "description": "Aktualne",
  "book": {
    "title": "Grunwald - problemy wybrane",
    "slug": "grunwald-problemy-wybrane",
    "url": "https://www.kolczanksiazek.pl/andrzej-nadolski/grunwald-problemy-wybrane"
  },
  "authors": [
    {
      "name": "Andrzej Nadolski",
      "slug": "andrzej-nadolski",
      "url": "https://www.kolczanksiazek.pl/andrzej-nadolski"
    }
  ]
}