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  "title": "Amazing Performers. Intermediate 3 (B1). Collins English Readers",
  "subtitle": null,
  "url": "https://www.kolczanksiazek.pl/jane-rollason/amazing-performers-intermediate-3-b1-collins-english-readers/9780007545056",
  "publisher": "Collins",
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  "medium": "paper",
  "duration_seconds": null,
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  "cover_artists": [],
  "isbn": "978-00-0754-505-6",
  "pages": null,
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  "language": "pl_PL",
  "cover": "https://quivercdn.com/covers/collins/jane-rollason/amazing-performers-intermediate-3-b1-collins-english-readers_978-00-0754-505-6.webp?v=2026-08-14%2003%3A54%3A03",
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  "description": "Poziom 3 - B1. The inspiring stories of 6 people who changed history. Contents: Pablo Casals, the Catalan cello-player. Louis Armstrong, the American trumpet-player and singer. Frank Sinatra, the Italian-American singer and actor. Édith Piaf, France's famous singing star. Maria Callas, the...",
  "book": {
    "title": "Amazing Performers. Intermediate 3 (B1). Collins English Readers",
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  "authors": [
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