{
  "type": "book",
  "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": "Wind-up Tractor",
  "subtitle": null,
  "slug": "wind-up-tractor",
  "url": "https://www.kolczanksiazek.pl/sarah-hull/wind-up-tractor",
  "json": "https://www.kolczanksiazek.pl/sarah-hull/wind-up-tractor.json",
  "markdown": "https://www.kolczanksiazek.pl/sarah-hull/wind-up-tractor.md",
  "authors": [
    {
      "name": "Sarah Hull",
      "slug": "sarah-hull",
      "url": "https://www.kolczanksiazek.pl/sarah-hull"
    }
  ],
  "language": "pl_PL",
  "original_title": null,
  "original_language": null,
  "first_published": "2026-01-01",
  "genres": [
    {
      "code": "Y",
      "heading": "Publikacje dla dzieci i młodzieży, edukacja"
    },
    {
      "code": "YN",
      "heading": "Publikacje dla dzieci i młodzieży popularnonaukowe i ogólnoinformacyjne"
    }
  ],
  "series": [],
  "cover": "https://quivercdn.com/covers/usborne/sarah-hull/wind-up-tractor_978-18-3604-635-6.webp?v=2026-08-18%2002%3A12%3A45",
  "description": "Join the little red tractor as it works on the farm through the changing seasons. There are four tracks in this book for the wind-up tractor to drive around as it ploughs fields, sows seeds, feeds the animals, helps with the harvest, and clears away snow. The four tracks can also be taken out of...",
  "editions": [
    {
      "title": "Wind-up Tractor",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/sarah-hull/wind-up-tractor/9781836046356",
      "publisher": "usborne",
      "publisher_series": [],
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-18-3604-635-6",
      "pages": 10,
      "published": "2026-01-01",
      "language": "pl_PL",
      "cover": "https://quivercdn.com/covers/usborne/sarah-hull/wind-up-tractor_978-18-3604-635-6.webp?v=2026-08-18%2002%3A12%3A45"
    }
  ],
  "other_languages": [],
  "characters": [],
  "chapters": []
}