{
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  "site": {
    "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": "Journal of a Novel",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/john-steinbeck/en/journal-of-a-novel/9780140144185",
  "publisher": "Penguin Books",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "978-01-4014-418-5",
  "pages": 192,
  "published": "1990-12-01",
  "language": "en_US",
  "cover": "https://quivercdn.com/covers/penguin-books/john-steinbeck/journal-of-a-novel_978-01-4014-418-5.jpg?v=2026-06-04%2020%3A52%3A14",
  "json": "https://www.kolczanksiazek.pl/john-steinbeck/en/journal-of-a-novel/9780140144185.json",
  "markdown": "https://www.kolczanksiazek.pl/john-steinbeck/en/journal-of-a-novel/9780140144185.md",
  "binding": "Softcover",
  "description": "Each working day from January 29 to November 1, 1951, John Steinbeck warmed up to the work of writing East of Eden with a letter to the late Pascal Covici, his friend and editor at The Viking Press. It...",
  "book": {
    "title": "Journal of a Novel",
    "slug": "journal-of-a-novel",
    "url": "https://www.kolczanksiazek.pl/john-steinbeck/en/journal-of-a-novel"
  },
  "authors": [
    {
      "name": "John Steinbeck",
      "slug": "john-steinbeck",
      "url": "https://www.kolczanksiazek.pl/john-steinbeck"
    }
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}