{
  "type": "book",
  "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": "A City on Mars",
  "subtitle": null,
  "slug": "a-city-on-mars",
  "url": "https://www.kolczanksiazek.pl/kelly-weinersmith/en/a-city-on-mars",
  "json": "https://www.kolczanksiazek.pl/kelly-weinersmith/en/a-city-on-mars.json",
  "markdown": "https://www.kolczanksiazek.pl/kelly-weinersmith/en/a-city-on-mars.md",
  "authors": [
    {
      "name": "Kelly Weinersmith",
      "slug": "kelly-weinersmith",
      "url": "https://www.kolczanksiazek.pl/kelly-weinersmith"
    }
  ],
  "language": "en_GB",
  "original_title": null,
  "original_language": null,
  "first_published": "2023-11-07",
  "genres": [],
  "series": [],
  "cover": "https://quivercdn.com/covers/penguin/kelly-weinersmith/a-city-on-mars_978-18-3731-037-1-c9615e43.jpg?v=2026-09-24%2004%3A57%3A09",
  "description": "Earth is not well. The promise of starting life anew somewhere far, far away - no climate change, no war, no Twitter - beckons, and settling the stars finally seems within our grasp. Or is it? Bestselling authors Kelly and Zach Weinersmith set out to write the essential guide to a glorious future of space settlements, but after years of original research, and interviews with leading space scientists, engineers and legal experts, they aren't so sure it's a good idea. Space tech and space business are progressing fast, but we lack the deep knowledge needed to have space-kids, build space-farms and create space nations in a way that doesn't spark conflict back home. In a world hurtling toward human expansion into space, A City on Mars investigates whether the dream of new worlds won't create a nightmare, both for settlers and the people they leave behind. With deep expertise, a winning sense of humour and art from the beloved creator of Saturday Morning Breakfast Cereal , the Weinersmiths investigate perhaps the biggest questions humanity will ever ask itself - whether and how to become multiplanetary.",
  "editions": [
    {
      "title": "A City on Mars",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/kelly-weinersmith/en/a-city-on-mars/9781984881748",
      "publisher": "Penguin Books",
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-19-8488-174-8",
      "pages": 448,
      "published": "2025-07-29",
      "language": "en_US",
      "cover": "https://quivercdn.com/covers/penguin-books/kelly-weinersmith/a-city-on-mars_978-19-8488-174-8.jpg?v=2026-05-27%2002%3A24%3A05"
    },
    {
      "title": "A City on Mars",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/kelly-weinersmith/en/a-city-on-mars/9781837310371",
      "publisher": "Penguin",
      "translators": [],
      "medium": "audio",
      "duration_seconds": 40740,
      "narrators": [
        "Brittany Pressley",
        "Kelly Weinersmith",
        "Zach Weinersmith"
      ],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-18-3731-037-1",
      "pages": null,
      "published": "2025-02-20",
      "language": "en_GB",
      "cover": "https://quivercdn.com/covers/penguin/kelly-weinersmith/a-city-on-mars_978-18-3731-037-1-c9615e43.jpg?v=2026-09-24%2004%3A57%3A09"
    },
    {
      "title": "A City on Mars",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/kelly-weinersmith/en/a-city-on-mars/9780141993300",
      "publisher": "Penguin",
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-01-4199-330-0",
      "pages": 448,
      "published": "2024-10-10",
      "language": "en_GB",
      "cover": "https://quivercdn.com/covers/penguin/kelly-weinersmith/a-city-on-mars_978-01-4199-330-0.jpg?v=2026-04-24%2007%3A25%3A53"
    },
    {
      "title": "A City on Mars",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/kelly-weinersmith/en/a-city-on-mars/9780141993348",
      "publisher": "Penguin",
      "translators": [],
      "medium": "ebook",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-01-4199-334-8",
      "pages": null,
      "published": "2023-11-07",
      "language": "en_GB",
      "cover": "https://quivercdn.com/covers/penguin/kelly-weinersmith/a-city-on-mars_978-01-4199-334-8.jpg?v=2026-04-24%2007%3A26%3A04"
    },
    {
      "title": "A City on Mars",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/kelly-weinersmith/en/a-city-on-mars/9781984881724",
      "publisher": "Penguin Books",
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-19-8488-172-4",
      "pages": 448,
      "published": "1900-01-01",
      "language": "en_US",
      "cover": "https://quivercdn.com/covers/penguin-books/kelly-weinersmith/a-city-on-mars_978-19-8488-172-4-b5539384.webp?v=2026-11-10%2023%3A04%3A32"
    }
  ],
  "other_languages": [
    {
      "title": "Město na Marsu",
      "language": "cs_CZ",
      "url": "https://www.kolczanksiazek.pl/kelly-weinersmith/cs/mesto-na-marsu"
    },
    {
      "title": "Miasto na Marsie. Czy możemy skolonizować kosmos, czy powinniśmy to robić i czy naprawdę mamy to dobrze przemyślane?",
      "language": "pl_PL",
      "url": "https://www.kolczanksiazek.pl/kelly-weinersmith/miasto-na-marsie-czy-mozemy-skolonizowac-kosmos-czy-powinnismy-to-robic-i-czy-naprawde-mamy-to-dobrze-przemyslane"
    }
  ],
  "characters": [],
  "chapters": []
}