{
  "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": "Polski. Bez problemu! Comprehensive self-study course. Elementary level A1-A2, intermediate B1-B2 and advanced C1",
  "subtitle": null,
  "slug": "polski-bez-problemu-comprehensive-self-study-course-elementary-level-a1-a2-intermediate-b1-b2-and-advanced-c1",
  "url": "https://www.kolczanksiazek.pl/ewa-maslowska/polski-bez-problemu-comprehensive-self-study-course-elementary-level-a1-a2-intermediate-b1-b2-and-advanced-c1",
  "json": "https://www.kolczanksiazek.pl/ewa-maslowska/polski-bez-problemu-comprehensive-self-study-course-elementary-level-a1-a2-intermediate-b1-b2-and-advanced-c1.json",
  "markdown": "https://www.kolczanksiazek.pl/ewa-maslowska/polski-bez-problemu-comprehensive-self-study-course-elementary-level-a1-a2-intermediate-b1-b2-and-advanced-c1.md",
  "authors": [
    {
      "name": "Ewa Masłowska",
      "slug": "ewa-maslowska",
      "url": "https://www.kolczanksiazek.pl/ewa-maslowska"
    }
  ],
  "language": "pl_PL",
  "original_title": null,
  "original_language": null,
  "first_published": "2023-01-01",
  "genres": [],
  "series": [],
  "cover": "https://quivercdn.com/covers/supermemo-world/ewa-maslowska/polski-bez-problemu-comprehensive-self-study-course-elementary-level-a1-a2-intermediate-b1-b2-and-advanced-c1_978-83-7984-293-3.webp?v=2026-08-14%2022%3A10%3A34",
  "description": "Learn Polish from the elementary level (A1-A2), through intermediate (B1-B2), up to advanced (C1). This will enable you to communicate freely in Polish - not only in everyday situations, but also in more complex ones that require you to formulate sentences fluently, understand various types of...",
  "editions": [
    {
      "title": "Polski. Bez problemu! Comprehensive self-study course. Elementary level A1-A2, intermediate B1-B2 and advanced C1",
      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/ewa-maslowska/polski-bez-problemu-comprehensive-self-study-course-elementary-level-a1-a2-intermediate-b1-b2-and-advanced-c1/9788379842933",
      "publisher": "SuperMemo World",
      "publisher_series": [],
      "translators": [],
      "medium": "paper",
      "duration_seconds": null,
      "narrators": [],
      "illustrators": [],
      "cover_artists": [],
      "isbn": "978-83-7984-293-3",
      "pages": null,
      "published": "2023-01-01",
      "language": "pl_PL",
      "cover": "https://quivercdn.com/covers/supermemo-world/ewa-maslowska/polski-bez-problemu-comprehensive-self-study-course-elementary-level-a1-a2-intermediate-b1-b2-and-advanced-c1_978-83-7984-293-3.webp?v=2026-08-14%2022%3A10%3A34"
    }
  ],
  "other_languages": [],
  "characters": [],
  "chapters": []
}