{
  "type": "author",
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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.",
  "name": "Billina Anneli",
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  "url": "https://www.kolczanksiazek.pl/billina-anneli",
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  "languages_count": 1,
  "countries_count": 1,
  "books": [
    {
      "title": "Hören & Sprechen. C2 + nagrania online",
      "subtitle": null,
      "slug": "horen-sprechen-c2-nagrania-online",
      "url": "https://www.kolczanksiazek.pl/billina-anneli/horen-sprechen-c2-nagrania-online",
      "first_published": "2022-01-01",
      "series": null
    },
    {
      "title": "Übungsgrammatik für die Grundstufe aktuell + testy online",
      "subtitle": null,
      "slug": "ubungsgrammatik-fur-die-grundstufe-aktuell-testy-online",
      "url": "https://www.kolczanksiazek.pl/billina-anneli/ubungsgrammatik-fur-die-grundstufe-aktuell-testy-online",
      "first_published": "2019-01-01",
      "series": null
    },
    {
      "title": "Hren & Sprechen C1 HUEBER",
      "subtitle": null,
      "slug": "hren-sprechen-c1-hueber",
      "url": "https://www.kolczanksiazek.pl/billina-anneli/hren-sprechen-c1-hueber",
      "first_published": "2019-01-01",
      "series": null
    }
  ],
  "translations": null,
  "narrations": null
}