{
  "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": "Czas nieutracony",
  "slug": "czas-nieutracony",
  "url": "https://www.kolczanksiazek.pl/stanislaw-lem/seria/czas-nieutracony",
  "json": "https://www.kolczanksiazek.pl/stanislaw-lem/seria/czas-nieutracony.json",
  "markdown": "https://www.kolczanksiazek.pl/stanislaw-lem/seria/czas-nieutracony.md",
  "author": {
    "name": "Stanisław Lem",
    "slug": "stanislaw-lem",
    "url": "https://www.kolczanksiazek.pl/stanislaw-lem"
  },
  "books_in_catalog": 3,
  "volumes_total": 3,
  "published": "2025–2026",
  "missing_volumes": [],
  "books": [
    {
      "volume": 1,
      "title": "Szpital Przemienienia",
      "subtitle": null,
      "slug": "szpital-przemienienia",
      "url": "https://www.kolczanksiazek.pl/stanislaw-lem/szpital-przemienienia",
      "publisher": "Wydawnictwo Literackie",
      "published": "2025-01-01",
      "isbn": "978-83-0808-599-8"
    },
    {
      "volume": 2,
      "title": "Wśród umarłych",
      "subtitle": null,
      "slug": "wsrod-umarlych",
      "url": "https://www.kolczanksiazek.pl/stanislaw-lem/wsrod-umarlych",
      "publisher": "Wydawnictwo Literackie",
      "published": "2025-01-01",
      "isbn": "978-83-0808-611-7"
    },
    {
      "volume": 3,
      "title": "Powrót",
      "subtitle": null,
      "slug": "powrot",
      "url": "https://www.kolczanksiazek.pl/stanislaw-lem/powrot",
      "publisher": "Wydawnictwo Literackie",
      "published": "2026-02-03",
      "isbn": "978-83-0808-862-3"
    }
  ]
}