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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": "Empower. Second Edition. Intermediate B1+. Student`s Book with Digital Pack",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/herbert-puchta/empower-second-edition-intermediate-b1-students-book-with-digital-pack/9781108961493",
  "publisher": "CAMBRIDGE UNIVERSITY PRESS",
  "publisher_series": [],
  "translators": [],
  "medium": "paper",
  "duration_seconds": null,
  "narrators": [],
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  "cover_artists": [],
  "isbn": "978-11-0896-149-3",
  "pages": 166,
  "published": "2022-01-01",
  "language": "pl_PL",
  "cover": "https://quivercdn.com/covers/cambridge-university-press/herbert-puchta/empower-second-edition-intermediate-b1-students-book-with-digital-pack_978-11-0896-149-3.webp?v=2026-08-17%2003%3A34%3A39",
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  "markdown": "https://www.kolczanksiazek.pl/herbert-puchta/empower-second-edition-intermediate-b1-students-book-with-digital-pack/9781108961493.md",
  "binding": "Softcover",
  "description": "The Intermediate Student's Book with Digital Pack provides clear learning objectives, core grammar and vocabulary input alongside a mix of skills. Speaking lessons offer a unique combination of functional language, pronunciation and conversation skills, alongside video that helps learners to...",
  "book": {
    "title": "Empower. Second Edition. Intermediate B1+. Student`s Book with Digital Pack",
    "slug": "empower-second-edition-intermediate-b1-students-book-with-digital-pack",
    "url": "https://www.kolczanksiazek.pl/herbert-puchta/empower-second-edition-intermediate-b1-students-book-with-digital-pack"
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  "authors": [
    {
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