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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 Secret Agent",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/joseph-conrad/en/the-secret-agent/9780812973051",
  "publisher": "Modern Library",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
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  "cover_artists": [],
  "isbn": "978-08-1297-305-1",
  "pages": 352,
  "published": "2004-12-14",
  "language": "en_US",
  "cover": "https://quivercdn.com/covers/modern-library/joseph-conrad/the-secret-agent_978-08-1297-305-1.jpg?v=2026-06-21%2010%3A06%3A57",
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  "binding": "Softcover",
  "description": "Selected by the Modern Library as one of the 100 best novels of all time Edited and with Notes by Peter Lancelot Mallios Introduction by Robert D. Kaplan In reexamining The Secret Agent in a post-9/11...",
  "book": {
    "title": "The Secret Agent",
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    "url": "https://www.kolczanksiazek.pl/joseph-conrad/en/the-secret-agent"
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  "authors": [
    {
      "name": "Joseph Conrad",
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