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    "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.",
  "title": "The Shampoo Effect",
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  "url": "https://www.kolczanksiazek.pl/jenny-jackson/the-shampoo-effect",
  "json": "https://www.kolczanksiazek.pl/jenny-jackson/the-shampoo-effect.json",
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  "authors": [
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      "name": "Jenny Jackson",
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      "url": "https://www.kolczanksiazek.pl/jenny-jackson"
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      "heading": "Proza literacka"
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    {
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      "heading": "Romans"
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  "cover": "https://quivercdn.com/covers/cornerstone/jenny-jackson/the-shampoo-effect_978-15-2915-523-5.webp?v=2026-08-17%2016%3A08%3A25",
  "description": "I devoured THE SHAMPOO EFFECT . . . it's funny, drama-fuelled, and full of Jackson's breezy wit. Coco Mellors, Sunday Times bestselling author of BLUE SISTERS'An absolute DELIGHT . . . a must, must, must for your summer reading list' Elin Hilderbrand, New York Times bestselling author of THE...",
  "editions": [
    {
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      "subtitle": null,
      "url": "https://www.kolczanksiazek.pl/jenny-jackson/the-shampoo-effect/9781529155235",
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      "isbn": "978-15-2915-523-5",
      "pages": 340,
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