{
  "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": "When pigs fly w.ukraińska",
  "subtitle": null,
  "slug": "when-pigs-fly-wukrainska",
  "url": "https://www.kolczanksiazek.pl/ulla-mersmeyer/when-pigs-fly-wukrainska",
  "json": "https://www.kolczanksiazek.pl/ulla-mersmeyer/when-pigs-fly-wukrainska.json",
  "markdown": "https://www.kolczanksiazek.pl/ulla-mersmeyer/when-pigs-fly-wukrainska.md",
  "authors": [
    {
      "name": "Ulla Mersmeyer",
      "slug": "ulla-mersmeyer",
      "url": "https://www.kolczanksiazek.pl/ulla-mersmeyer"
    }
  ],
  "language": "pl_PL",
  "original_title": "Wenn Schweine fliegen",
  "original_language": "de",
  "first_published": "2025-01-01",
  "genres": [
    {
      "code": "Y",
      "heading": "Publikacje dla dzieci i młodzieży, edukacja"
    },
    {
      "code": "YF",
      "heading": "Literatura dla dzieci i młodzieży"
    },
    {
      "code": "YFJB",
      "heading": "Children’s / Teenage fiction and stories: Folk and Fairy tales"
    }
  ],
  "series": [],
  "cover": "https://quivercdn.com/covers/vivat/ulla-mersmeyer/when-pigs-fly-wukrainska_978-61-7170-705-4-0e8f1ec2.webp?v=2026-08-25%2003%3A53%3A10",
  "description": "On a beautiful summer day, a pig decided to go for a swim: she has a lap to swim in and plenty of good cheer. However, there's trouble at the pond: a bear is preparing for a swimming championship and gets very angry when someone interrupts. But the pig won't let anyone dictate to her what...",
  "editions": [
    {
      "title": "When pigs fly w.ukraińska",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/ulla-mersmeyer/when-pigs-fly-wukrainska/9786171707054",
      "publisher": "Vivat",
      "publisher_series": [],
      "translators": [
        "Єлена Даскал"
      ],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-61-7170-705-4",
      "pages": 56,
      "published": "2025-01-01",
      "language": "pl_PL",
      "cover": "https://quivercdn.com/covers/vivat/ulla-mersmeyer/when-pigs-fly-wukrainska_978-61-7170-705-4-0e8f1ec2.webp?v=2026-08-25%2003%3A53%3A10"
    }
  ],
  "other_languages": [],
  "characters": [],
  "chapters": []
}