{
  "type": "book",
  "site": {
    "name": "Kołczan Książek",
    "language": "pl-PL",
    "url": "https://www.kolczanksiazek.pl"
  },
  "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": "Submarines of the Russian and Soviet Navies 1946-2026",
  "subtitle": null,
  "slug": "submarines-of-the-russian-and-soviet-navies-1946-2026",
  "url": "https://www.kolczanksiazek.pl/norman-polmar/submarines-of-the-russian-and-soviet-navies-1946-2026",
  "json": "https://www.kolczanksiazek.pl/norman-polmar/submarines-of-the-russian-and-soviet-navies-1946-2026.json",
  "markdown": "https://www.kolczanksiazek.pl/norman-polmar/submarines-of-the-russian-and-soviet-navies-1946-2026.md",
  "authors": [
    {
      "name": "Norman Polmar",
      "slug": "norman-polmar",
      "url": "https://www.kolczanksiazek.pl/norman-polmar"
    }
  ],
  "language": "pl_PL",
  "original_title": null,
  "original_language": null,
  "first_published": "2026-01-01",
  "genres": [
    {
      "code": "JW",
      "heading": "Działania wojenne i obronność"
    },
    {
      "code": "PDZ",
      "heading": "Popularyzacja nauki"
    }
  ],
  "series": [],
  "cover": "https://quivercdn.com/covers/schiffer/norman-polmar/submarines-of-the-russian-and-soviet-navies-1946-2026_978-07-6437-083-0.webp?v=2026-08-24%2003%3A42%3A51",
  "description": "This is the definitive history of the Russian submarine program since WWII. Submarines emerged as a particularly terrifying weapon after WWII, in no small part through the application of nuclear propulsion and the development of shipborne nuclear missiles. The Soviet Union invested huge funding...",
  "editions": [
    {
      "title": "Submarines of the Russian and Soviet Navies 1946-2026",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/norman-polmar/submarines-of-the-russian-and-soviet-navies-1946-2026/9780764370830",
      "publisher": "Schiffer",
      "publisher_series": [],
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-07-6437-083-0",
      "pages": 240,
      "published": "2026-01-01",
      "language": "pl_PL",
      "cover": "https://quivercdn.com/covers/schiffer/norman-polmar/submarines-of-the-russian-and-soviet-navies-1946-2026_978-07-6437-083-0.webp?v=2026-08-24%2003%3A42%3A51"
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  "other_languages": [],
  "characters": [],
  "chapters": []
}