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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": "At the Mountains of Madness",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/h-p-lovecraft/en/at-the-mountains-of-madness/9780812974416",
  "publisher": "Modern Library",
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  "isbn": "978-08-1297-441-6",
  "pages": 224,
  "published": "2005-06-14",
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  "binding": "Softcover",
  "description": "Introduction by China Miéville Long acknowledged as a master of nightmarish visions, H. P. Lovecraft established the genuineness and dignity of his own pioneering fiction in 1931 with his...",
  "book": {
    "title": "At the Mountains of Madness",
    "slug": "at-the-mountains-of-madness",
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      "name": "H. P. Lovecraft",
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