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  "title": "The Virtue of Selfishness",
  "subtitle": null,
  "url": "https://www.archivodelibros.es/ayn-rand/en/the-virtue-of-selfishness/9780451163936",
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  "isbn": "978-04-5116-393-6",
  "pages": 176,
  "published": "1964-11-01",
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  "description": "A collection of essays that sets forth the moral principles of Objectivism, Ayn Rand's controversial, groundbreaking philosophy. Since their initial publication, Rand's fictional works—Anthem, The...",
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    "title": "The Virtue of Selfishness",
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      "name": "Ayn Rand",
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