{
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    "name": "Kołczan Książek",
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    "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": "The Umbrella Murder wer. angielska",
  "subtitle": null,
  "slug": "the-umbrella-murder-wer-angielska",
  "url": "https://www.kolczanksiazek.pl/skotte-ulrik/the-umbrella-murder-wer-angielska",
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  "authors": [
    {
      "name": "Skotte Ulrik",
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  "original_language": null,
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  "genres": [
    {
      "code": "DNX",
      "heading": "Opowieści oparte na faktach"
    },
    {
      "code": "JB",
      "heading": "Społeczeństwo i kultura – zagadnienia ogólne"
    },
    {
      "code": "JP",
      "heading": "Polityka i administracja"
    },
    {
      "code": "NHB",
      "heading": "Historia powszechna"
    }
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  "cover": "https://quivercdn.com/covers/wh-allen/skotte-ulrik/the-umbrella-murder-wer-angielska_978-07-5356-018-1.webp?v=2026-08-24%2003%3A59%3A57",
  "description": "Discover the page-turning true story of the most iconic Cold War spy killing of all time, perfect for fans of Ben Macintyre, Henry Hemming and the novels of John Le Carre. London, 1978: exiled Bulgarian dissident Georgi Markov is murdered on Waterloo Bridge with what appears to be a poison-tipped...",
  "editions": [
    {
      "title": "The Umbrella Murder wer. angielska",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/skotte-ulrik/the-umbrella-murder-wer-angielska/9780753560181",
      "publisher": "Wh Allen",
      "publisher_series": [],
      "translators": [],
      "medium": "paper",
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      "narrators": [],
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      "cover_artists": [],
      "isbn": "978-07-5356-018-1",
      "pages": 336,
      "published": "2025-01-01",
      "language": "pl_PL",
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  "characters": [],
  "chapters": []
}