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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.",
  "title": "The Need to Lead",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/dave-berke/the-need-to-lead/9781035090747",
  "publisher": "Pan Macmillan",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "978-10-3509-074-7",
  "pages": null,
  "published": "2025-01-01",
  "language": "pl_PL",
  "cover": "https://quivercdn.com/covers/pan-macmillan/dave-berke/the-need-to-lead_978-10-3509-074-7.webp?v=2026-08-17%2016%3A10%3A58",
  "json": "https://www.kolczanksiazek.pl/dave-berke/the-need-to-lead/9781035090747.json",
  "markdown": "https://www.kolczanksiazek.pl/dave-berke/the-need-to-lead/9781035090747.md",
  "binding": "Softcover",
  "description": "Leadership is a universal requirement for success, no matter the environment. This undeniable truth is something Dave Berke learned first-hand as a Marine Corps officer, fighter pilot, TOPGUN instructor, ground combat leader and now chief development officer at Echelon Front, the training company...",
  "book": {
    "title": "The Need to Lead",
    "slug": "the-need-to-lead",
    "url": "https://www.kolczanksiazek.pl/dave-berke/the-need-to-lead"
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  "authors": [
    {
      "name": "Dave Berke",
      "slug": "dave-berke",
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}