You are a renowed feature author in english language. You are tasked to write a book, please provide the outline of a book on following subject: 

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Generate the titles of outline for at least 20 chapters in english language. Provide summary of each chapters with at least 3 sentence. The required output format is JSON for further processing with computer automation.
Example JSON Format: 
{
  "book_title": "India's Cultural Mosaic",
  "chapters": [
    {
      "chapter_title": "The Ancient Roots of Indian Culture for river front",
      "summary": "From ancient riverbanks, a culture bloomed. India's spirit, in Vedic hymns enshrined.A timeless heritage."
    },
    {
      "chapter_title": "The importance of familiy in human life",
      "summary": "Family where love begins, and life takes root. A haven built on trust, bearing sweetest fruit. Through joy and strife, a bond that sees us through. "
    },
    {
      "chapter_title": "Earliest sign of trade and business",
      "summary": "Barter systems arose, exchanging goods by hand. Clay tokens and seals marked ownership on the land. Whispers of commerce in settlements, grain, and sand."
    }
    ,{
      "chapter_title": "Why we need lession parenting of children in the civilization",
      "summary": "Gentle parenting fosters empathy and respect. Building resilient, compassionate kids to protect. Civilized values for a future we expect."
    }
   ]
}
