{
  "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": "Dieta Fit",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/natalia-gacka/dieta-fit/9788378872757",
  "publisher": "Dragon",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "978-83-7887-275-7",
  "pages": 240,
  "published": "2016-01-01",
  "language": "pl_PL",
  "cover": "https://quivercdn.com/covers/dragon/natalia-gacka/dieta-fit_978-83-7887-275-7-4ad14385.jpg?v=2026-09-02%2017%3A02%3A08",
  "json": "https://www.kolczanksiazek.pl/natalia-gacka/dieta-fit/9788378872757.json",
  "markdown": "https://www.kolczanksiazek.pl/natalia-gacka/dieta-fit/9788378872757.md",
  "binding": "Softcover",
  "description": "Książka Natalii Gackiej, mistrzyni świata w fitnessie sylwetkowym, opisuje zasady racjonalnej diety opracowanej dla osób wykazujących aktywność fizyczną.",
  "book": {
    "title": "Dieta Fit",
    "slug": "dieta-fit",
    "url": "https://www.kolczanksiazek.pl/natalia-gacka/dieta-fit"
  },
  "authors": [
    {
      "name": "Natalia Gacka",
      "slug": "natalia-gacka",
      "url": "https://www.kolczanksiazek.pl/natalia-gacka"
    }
  ]
}