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    "name": "Kołczan Książek",
    "language": "pl-PL",
    "url": "https://www.kolczanksiazek.pl"
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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.",
  "name": "Mario Herrera",
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  "url": "https://www.kolczanksiazek.pl/mario-herrera",
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  "countries_count": 2,
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      "title": "Small Big Things 2 Student's Pack",
      "subtitle": null,
      "slug": "small-big-things-2-students-pack",
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      "title": "Small Big Things 1 SB Learn to Read",
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      "title": "Small Big Things 5 Student's Pack",
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      "slug": "small-big-things-5-students-pack",
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      "first_published": "2026-01-01",
      "series": null
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    {
      "title": "Small Big Things 6 Student's Pack",
      "subtitle": null,
      "slug": "small-big-things-6-students-pack",
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      "first_published": "2026-01-01",
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    {
      "title": "Small Big Things 1 Learn to Read. Enhanced Pack",
      "subtitle": null,
      "slug": "small-big-things-1-learn-to-read-enhanced-pack",
      "url": "https://www.kolczanksiazek.pl/mario-herrera/small-big-things-1-learn-to-read-enhanced-pack",
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    {
      "title": "Small Big Things American Edition 1 Enhanced Pack",
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      "title": "Small Big Things. American Edition 1 Learn to Read",
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      "title": "Small Big Things 3 Student's Pack",
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      "title": "Small Big Things 4 Student's Pack",
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      "url": "https://www.kolczanksiazek.pl/mario-herrera/small-big-things-4-students-pack",
      "first_published": "2026-01-01",
      "series": null
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      "title": "Tiny Big Things 3. Workbook with Digital Practice",
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      "slug": "tiny-big-things-3-workbook-with-digital-practice",
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      "first_published": "2026-01-01",
      "series": null
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    {
      "title": "Small Big Things 1 Student's Pack",
      "subtitle": null,
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    {
      "title": "Small Big Things 6 Student's Enhanced Pack",
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    {
      "title": "Small Big Things 4 Student's Enhanced Pack",
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      "url": "https://www.kolczanksiazek.pl/mario-herrera/small-big-things-4-students-enhanced-pack",
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      "title": "Small Big Things 5 Student's Enhanced Pack",
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      "url": "https://www.kolczanksiazek.pl/mario-herrera/small-big-things-5-students-enhanced-pack",
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    {
      "title": "Small Big Things 2 Student's Enhanced Pack",
      "subtitle": null,
      "slug": "small-big-things-2-students-enhanced-pack",
      "url": "https://www.kolczanksiazek.pl/mario-herrera/small-big-things-2-students-enhanced-pack",
      "first_published": "2026-01-01",
      "series": null
    },
    {
      "title": "Small Big Things 3 Student's Enhanced Pack",
      "subtitle": null,
      "slug": "small-big-things-3-students-enhanced-pack",
      "url": "https://www.kolczanksiazek.pl/mario-herrera/small-big-things-3-students-enhanced-pack",
      "first_published": "2026-01-01",
      "series": null
    },
    {
      "title": "Tiny Big Things 2. Workbook with Digital Practice",
      "subtitle": null,
      "slug": "tiny-big-things-2-workbook-with-digital-practice",
      "url": "https://www.kolczanksiazek.pl/mario-herrera/tiny-big-things-2-workbook-with-digital-practice",
      "first_published": "2026-01-01",
      "series": null
    },
    {
      "title": "Big English 4 TB",
      "subtitle": null,
      "slug": "big-english-4-tb",
      "url": "https://www.kolczanksiazek.pl/mario-herrera/big-english-4-tb",
      "first_published": "2014-01-01",
      "series": null
    },
    {
      "title": "Big English 3 TB",
      "subtitle": null,
      "slug": "big-english-3-tb",
      "url": "https://www.kolczanksiazek.pl/mario-herrera/big-english-3-tb",
      "first_published": "2014-01-01",
      "series": null
    },
    {
      "title": "Pockets 1 WB +CD US",
      "subtitle": null,
      "slug": "pockets-1-wb-cd-us",
      "url": "https://www.kolczanksiazek.pl/mario-herrera/pockets-1-wb-cd-us",
      "first_published": null,
      "series": null
    },
    {
      "title": "Big English 1. Flashcards",
      "subtitle": null,
      "slug": "big-english-1-flashcards",
      "url": "https://www.kolczanksiazek.pl/mario-herrera/big-english-1-flashcards",
      "first_published": null,
      "series": null
    }
  ],
  "translations": null,
  "narrations": null
}