{
  "type": "author",
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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.",
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  "markdown": "https://www.kolczanksiazek.pl/niklas-natt-och-dag.md",
  "image": null,
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  "languages_count": 7,
  "countries_count": 8,
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      "title": "Wilcze gry (e-book)",
      "subtitle": null,
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      "url": "https://www.kolczanksiazek.pl/niklas-natt-och-dag/wilcze-gry-e-book",
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      "series": null
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      "series": null
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    {
      "title": "1793 (audiobook do pobrania)",
      "subtitle": null,
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      "url": "https://www.kolczanksiazek.pl/niklas-natt-och-dag/1793-audiobook-do-pobrania",
      "first_published": "2026-08-26",
      "series": null
    },
    {
      "title": "Los i nadzieja (e-book)",
      "subtitle": null,
      "slug": "los-i-nadzieja-e-book",
      "url": "https://www.kolczanksiazek.pl/niklas-natt-och-dag/los-i-nadzieja-e-book",
      "first_published": "2025-11-19",
      "series": null
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    {
      "title": "Los i nadzieja",
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      "first_published": "2024-11-20",
      "series": null
    },
    {
      "title": "1795 (audiobook do pobrania)",
      "subtitle": null,
      "slug": "1795-audiobook-do-pobrania",
      "url": "https://www.kolczanksiazek.pl/niklas-natt-och-dag/1795-audiobook-do-pobrania",
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      "series": null
    },
    {
      "title": "1795 (e-book)",
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    {
      "title": "1795",
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      "slug": "1795",
      "url": "https://www.kolczanksiazek.pl/niklas-natt-och-dag/1795",
      "first_published": "2022-09-28",
      "series": null
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    {
      "title": "1794",
      "subtitle": null,
      "slug": "1794",
      "url": "https://www.kolczanksiazek.pl/niklas-natt-och-dag/1794",
      "first_published": "2021-09-15",
      "series": null
    },
    {
      "title": "1793 (wyd.2)",
      "subtitle": null,
      "slug": "1793-wyd2",
      "url": "https://www.kolczanksiazek.pl/niklas-natt-och-dag/1793-wyd2",
      "first_published": "2021-07-21",
      "series": null
    },
    {
      "title": "Sztokholm 1793 (audiobook CD)",
      "subtitle": null,
      "slug": "sztokholm-1793-audiobook-cd",
      "url": "https://www.kolczanksiazek.pl/niklas-natt-och-dag/sztokholm-1793-audiobook-cd",
      "first_published": "2019-01-09",
      "series": null
    },
    {
      "title": "Sztokholm 1793",
      "subtitle": null,
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      "series": null
    },
    {
      "title": "1794 (audiobook do pobrania)",
      "subtitle": null,
      "slug": "1794-audiobook-do-pobrania",
      "url": "https://www.kolczanksiazek.pl/niklas-natt-och-dag/1794-audiobook-do-pobrania",
      "first_published": null,
      "series": null
    },
    {
      "title": "1793 (wyd.2, e-book)",
      "subtitle": null,
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      "first_published": null,
      "series": null
    },
    {
      "title": "1794 (e-book)",
      "subtitle": null,
      "slug": "1794-e-book",
      "url": "https://www.kolczanksiazek.pl/niklas-natt-och-dag/1794-e-book",
      "first_published": null,
      "series": null
    },
    {
      "title": "Mroczny Sztokholm",
      "subtitle": null,
      "slug": "mroczny-sztokholm",
      "url": "https://www.kolczanksiazek.pl/niklas-natt-och-dag/mroczny-sztokholm",
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      "series": null
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  "translations": null,
  "narrations": null
}