{
  "type": "edition",
  "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": "The Sign of Four",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/arthur-conan-doyle/en/the-sign-of-four/9789357310048",
  "publisher": "hachette_india_little_brown",
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "isbn": "978-93-5731-004-8",
  "pages": null,
  "published": "2025-11-20",
  "language": "en_GB",
  "cover": "https://quivercdn.com/covers/hachette-india-little-brown/arthur-conan-doyle/the-sign-of-four_978-93-5731-004-8.jpg?v=2026-04-29%2005%3A04%3A13",
  "json": "https://www.kolczanksiazek.pl/arthur-conan-doyle/en/the-sign-of-four/9789357310048.json",
  "markdown": "https://www.kolczanksiazek.pl/arthur-conan-doyle/en/the-sign-of-four/9789357310048.md",
  "binding": "Softcover",
  "description": "\" Down the Strand the lamps were but misty splotches of diffused light which threw a feeble circular glimmer upon the slimy pavement.\" Whilst the seamy streets of London drown in a sea of smog, Sherlock Holmes sinks into a cocaine-induced melancholy, until Miss Mary Morstan presents him with a most intriguing case. A terrible death, an unknown benefactor, stolen treasure, and a secret pact between criminals stretching back to a mutiny-torn India, lead Holmes into an epic pursuit of the truth...",
  "book": {
    "title": "The Sign of Four",
    "slug": "the-sign-of-four",
    "url": "https://www.kolczanksiazek.pl/arthur-conan-doyle/en/the-sign-of-four"
  },
  "authors": [
    {
      "name": "Arthur Conan Doyle",
      "slug": "arthur-conan-doyle",
      "url": "https://www.kolczanksiazek.pl/arthur-conan-doyle"
    }
  ]
}