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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.",
  "title": "Twenty Thousand Leagues Under the Sea",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/jules-verne/en/twenty-thousand-leagues-under-the-sea/9780593081518",
  "publisher": "Vintage",
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  "illustrators": [],
  "cover_artists": [],
  "isbn": "978-05-9308-151-8",
  "pages": 352,
  "published": "2020-06-16",
  "language": "en_US",
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  "binding": "Softcover",
  "description": "Prompted by disturbing reports of an enormous sea monster, marine biologist Pierre Aronnax joins an expedition to find and destroy it. After barely surviving an attack on the creature, the voyagers discover...",
  "book": {
    "title": "Twenty Thousand Leagues Under the Sea",
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  "authors": [
    {
      "name": "Júlio Verne",
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