{
  "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": "The Heirloom",
  "subtitle": null,
  "slug": "the-heirloom",
  "url": "https://www.kolczanksiazek.pl/graham-masterton/en/the-heirloom",
  "json": "https://www.kolczanksiazek.pl/graham-masterton/en/the-heirloom.json",
  "markdown": "https://www.kolczanksiazek.pl/graham-masterton/en/the-heirloom.md",
  "authors": [
    {
      "name": "Graham Masterton",
      "slug": "graham-masterton",
      "url": "https://www.kolczanksiazek.pl/graham-masterton"
    }
  ],
  "language": "en_US",
  "original_title": null,
  "original_language": null,
  "first_published": "2017-05-18",
  "genres": [
    {
      "code": "FB",
      "heading": "Proza literacka"
    },
    {
      "code": "FF",
      "heading": "Literatura kryminalna i detektywistyczna"
    },
    {
      "code": "FH",
      "heading": "Thrillery i suspens"
    },
    {
      "code": "FK",
      "heading": "Horrory i literatura grozy"
    }
  ],
  "series": [],
  "cover": "https://quivercdn.com/covers/head-of-zeus/graham-masterton/the-heirloom_978-10-3590-695-6-cad873b0.webp?v=2026-11-05%2003%3A16%3A47",
  "description": "A mysterious antique that can summon the devil. An antique chair comes into a family''s possession. But they soon discover that this is no ordinary heirloom. Strange things begin to occur, including shifts in the fabric of time itself... And then Satan himself is summoned... ''One of the most original and frightening storytellers of our time'' PETER JAMES. ''A true master of horror'' JAMES HERBERT.",
  "editions": [
    {
      "title": "The Heirloom",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/graham-masterton/en/the-heirloom/9781035906956",
      "publisher": "Head of Zeus",
      "publisher_series": [],
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-10-3590-695-6",
      "pages": 360,
      "published": "2017-05-18",
      "language": "en_US",
      "cover": "https://quivercdn.com/covers/head-of-zeus/graham-masterton/the-heirloom_978-10-3590-695-6-cad873b0.webp?v=2026-11-05%2003%3A16%3A47"
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  ],
  "other_languages": [
    {
      "title": "Dziedzictwo",
      "language": "pl_PL",
      "url": "https://www.kolczanksiazek.pl/graham-masterton/dziedzictwo"
    }
  ],
  "characters": [],
  "chapters": []
}