{
  "type": "series",
  "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.",
  "name": "Błażej Heller i Malwina Zygart",
  "slug": "blazej-heller-i-malwina-zygart",
  "url": "https://www.kolczanksiazek.pl/marcel-moss/seria/blazej-heller-i-malwina-zygart",
  "json": "https://www.kolczanksiazek.pl/marcel-moss/seria/blazej-heller-i-malwina-zygart.json",
  "markdown": "https://www.kolczanksiazek.pl/marcel-moss/seria/blazej-heller-i-malwina-zygart.md",
  "author": {
    "name": "Marcel Moss",
    "slug": "marcel-moss",
    "url": "https://www.kolczanksiazek.pl/marcel-moss"
  },
  "books_in_catalog": 2,
  "volumes_total": 2,
  "published": "2026",
  "missing_volumes": [],
  "books": [
    {
      "volume": 1,
      "title": "Alter",
      "subtitle": null,
      "slug": "alter",
      "url": "https://www.kolczanksiazek.pl/marcel-moss/alter",
      "publisher": "Filia",
      "published": "2026-05-26",
      "isbn": "978-83-8441-046-2"
    },
    {
      "volume": 2,
      "title": "Ego",
      "subtitle": null,
      "slug": "ego",
      "url": "https://www.kolczanksiazek.pl/marcel-moss/ego",
      "publisher": "Mroczna Strona",
      "published": "2026-01-01",
      "isbn": "978-83-8441-238-1"
    }
  ]
}