{
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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.",
  "title": "Hidden Potential",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/adam-grant/en/hidden-potential/9780593653661",
  "publisher": "Penguin Books",
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "978-05-9365-366-1",
  "pages": 304,
  "published": "2025-12-30",
  "language": "en_US",
  "cover": "https://quivercdn.com/covers/penguin-books/adam-grant/hidden-potential_978-05-9365-366-1.jpg?v=2026-05-27%2007%3A23%3A34",
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  "binding": "Softcover",
  "description": "#1 New York Times Bestseller “This brilliant book will shatter your assumptions about what it takes to improve and succeed. I wish I could go back in time and gift it to my younger self. It would’ve...",
  "book": {
    "title": "Hidden Potential",
    "slug": "hidden-potential",
    "url": "https://www.kolczanksiazek.pl/adam-grant/en/hidden-potential"
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  "authors": [
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      "name": "Adam Grant",
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      "url": "https://www.kolczanksiazek.pl/adam-grant"
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}