{
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    "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.",
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  "countries_count": 1,
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    {
      "title": "Sketchbook",
      "subtitle": null,
      "slug": "sketchbook",
      "url": "https://www.kolczanksiazek.pl/zbigniew-kasprzak-kas/sketchbook",
      "first_published": "2025-11-01",
      "series": null
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    {
      "title": "Halloween Blues",
      "subtitle": null,
      "slug": "halloween-blues",
      "url": "https://www.kolczanksiazek.pl/zbigniew-kasprzak-kas/halloween-blues",
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      "series": null
    },
    {
      "title": "Przepowiednie",
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      "first_published": "2003-01-01",
      "series": null
    },
    {
      "title": "Podróżnicy",
      "subtitle": null,
      "slug": "podroznicy",
      "url": "https://www.kolczanksiazek.pl/zbigniew-kasprzak-kas/podroznicy",
      "first_published": "2003-01-01",
      "series": null
    },
    {
      "title": "Zagłada Atlantydy (1)",
      "subtitle": null,
      "slug": "zaglada-atlantydy-1",
      "url": "https://www.kolczanksiazek.pl/zbigniew-kasprzak-kas/zaglada-atlantydy-1",
      "first_published": "1986-01-01",
      "series": null
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  ],
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  "narrations": null
}