{
  "type": "book",
  "site": {
    "name": "Kołczan Książek",
    "language": "pl-PL",
    "url": "https://www.kolczanksiazek.pl"
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  "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": "A short grammar of middle english",
  "subtitle": null,
  "slug": "a-short-grammar-of-middle-english",
  "url": "https://www.kolczanksiazek.pl/jacek-fisiak/a-short-grammar-of-middle-english",
  "json": "https://www.kolczanksiazek.pl/jacek-fisiak/a-short-grammar-of-middle-english.json",
  "markdown": "https://www.kolczanksiazek.pl/jacek-fisiak/a-short-grammar-of-middle-english.md",
  "authors": [
    {
      "name": "Jacek Fisiak",
      "slug": "jacek-fisiak",
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  "language": "pl_PL",
  "original_title": null,
  "original_language": null,
  "first_published": "2009-01-01",
  "genres": [],
  "series": [],
  "cover": "https://quivercdn.com/covers/wydawnictwo-poznanskie/jacek-fisiak/a-short-grammar-of-middle-english_978-83-7177-213-9-70c9cff6.webp?v=2026-09-06%2020%3A56%3A48",
  "description": "Gramatyka języka angielskiego",
  "editions": [
    {
      "title": "A short grammar of middle english",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/jacek-fisiak/a-short-grammar-of-middle-english/9788371772139",
      "publisher": "Wydawnictwo Poznańskie",
      "publisher_series": [],
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-83-7177-213-9",
      "pages": 131,
      "published": "2009-01-01",
      "language": "pl_PL",
      "cover": "https://quivercdn.com/covers/wydawnictwo-poznanskie/jacek-fisiak/a-short-grammar-of-middle-english_978-83-7177-213-9-70c9cff6.webp?v=2026-09-06%2020%3A56%3A48"
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  "characters": [],
  "chapters": []
}