{
  "type": "series",
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    "name": "Kołczan Książek",
    "language": "pl-PL",
    "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.",
  "name": "Gone",
  "slug": "gone",
  "url": "https://www.kolczanksiazek.pl/michael-grant/seria/gone",
  "json": "https://www.kolczanksiazek.pl/michael-grant/seria/gone.json",
  "markdown": "https://www.kolczanksiazek.pl/michael-grant/seria/gone.md",
  "author": {
    "name": "Michael Grant",
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  "published": "2026",
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      "title": "Zniknięcia",
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      "publisher": "WE NEED YA",
      "published": "2026-01-01",
      "isbn": "978-83-6869-231-0"
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    {
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      "url": "https://www.kolczanksiazek.pl/michael-grant/glod",
      "publisher": "WE NEED YA",
      "published": "2026-01-01",
      "isbn": "978-83-6869-276-1"
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    {
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      "publisher": "WE NEED YA",
      "published": "2026-01-01",
      "isbn": "978-83-6880-053-1"
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      "publisher": "WE NEED YA",
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      "publisher": "Wydawnictwo Poznańskie",
      "published": "2026-01-01",
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