{
  "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": "Kalendarz",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/jan-twardowski/kalendarz/8387907138",
  "publisher": "Ad Oculos",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "8-387-90713-8",
  "pages": 256,
  "published": "2003-01-01",
  "language": "pl_PL",
  "cover": "https://quivercdn.com/covers/ad-oculos/jan-twardowski/kalendarz_8-387-90713-8-d03f1ec3.jpg?v=2026-08-31%2015%3A16%3A50",
  "json": "https://www.kolczanksiazek.pl/jan-twardowski/kalendarz/8387907138.json",
  "markdown": "https://www.kolczanksiazek.pl/jan-twardowski/kalendarz/8387907138.md",
  "binding": "Softcover",
  "description": "Wybór poezji ks. J. Twardowskiego z podziałem na miesiące. Redakcja: Andrzej Żmuda; wybór: Marta Hydzik-Żmuda; fotografie: Józef Ambrozowicz",
  "book": {
    "title": "Kalendarz",
    "slug": "kalendarz",
    "url": "https://www.kolczanksiazek.pl/jan-twardowski/kalendarz"
  },
  "authors": [
    {
      "name": "Jan Twardowski",
      "slug": "jan-twardowski",
      "url": "https://www.kolczanksiazek.pl/jan-twardowski"
    }
  ]
}