{
  "type": "edition",
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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": "Wolfpack. Inside Hitler`s U-Boat War",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/roger-moorhouse/wolfpack-inside-hitlers-u-boat-war/9780008644901",
  "publisher": "William Collins",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "978-00-0864-490-1",
  "pages": 402,
  "published": "2025-01-01",
  "language": "pl_PL",
  "cover": "https://quivercdn.com/covers/william-collins/roger-moorhouse/wolfpack-inside-hitlers-u-boat-war_978-00-0864-490-1.webp?v=2026-08-18%2016%3A01%3A36",
  "json": "https://www.kolczanksiazek.pl/roger-moorhouse/wolfpack-inside-hitlers-u-boat-war/9780008644901.json",
  "markdown": "https://www.kolczanksiazek.pl/roger-moorhouse/wolfpack-inside-hitlers-u-boat-war/9780008644901.md",
  "binding": "Softcover",
  "description": "'A superb work of history' JAMES HOLLAND'A thrilling account from a master of Second World War history' DAN SNOWA landmark history of the U-Boat war told through the experiences and recollections of the U-Boat crews themselves. Winston Churchill famously remarked that the threat of...",
  "book": {
    "title": "Wolfpack. Inside Hitler`s U-Boat War",
    "slug": "wolfpack-inside-hitlers-u-boat-war",
    "url": "https://www.kolczanksiazek.pl/roger-moorhouse/wolfpack-inside-hitlers-u-boat-war"
  },
  "authors": [
    {
      "name": "Roger Moorhouse",
      "slug": "roger-moorhouse",
      "url": "https://www.kolczanksiazek.pl/roger-moorhouse"
    }
  ]
}