{
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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": "Someone in the Attic wer. angielska",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/andrea-mara/someone-in-the-attic-wer-angielska/9781804990797",
  "publisher": "Penguin Books",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
  "illustrators": [],
  "cover_artists": [],
  "isbn": "978-18-0499-079-7",
  "pages": 362,
  "published": "2025-01-01",
  "language": "pl_PL",
  "cover": "https://quivercdn.com/covers/penguin-books/andrea-mara/someone-in-the-attic-wer-angielska_978-18-0499-079-7.webp?v=2026-08-23%2002%3A11%3A02",
  "json": "https://www.kolczanksiazek.pl/andrea-mara/someone-in-the-attic-wer-angielska/9781804990797.json",
  "markdown": "https://www.kolczanksiazek.pl/andrea-mara/someone-in-the-attic-wer-angielska/9781804990797.md",
  "binding": "Softcover",
  "description": "Get ready for your new reading obsession - a break-out thriller from the No.1 bestselling author of No One Saw a Thing. Everyone has heard noises in the attic, but what if your worst fear came true? Andrea Mara's previous novel, No One Saw a Thing, was a break-out bestseller: - A No.1...",
  "book": {
    "title": "Someone in the Attic wer. angielska",
    "slug": "someone-in-the-attic-wer-angielska",
    "url": "https://www.kolczanksiazek.pl/andrea-mara/someone-in-the-attic-wer-angielska"
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  "authors": [
    {
      "name": "Andrea Mara",
      "slug": "andrea-mara",
      "url": "https://www.kolczanksiazek.pl/andrea-mara"
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