The book ‘Every child matters’ is written by:

Kailash Satyarthi

The correct answer is Option (2) - Kailash Satyarthi

"Every Child Matters" is a book written by Kailash Satyarthi, a Nobel Peace Prize laureate known for his activism against child labor and exploitation. In this book, Satyarthi shares his insights, experiences, and perspectives on the issue of child rights and the importance of ensuring every child's well-being, education, and protection from exploitation. The book serves as a call to action to prioritize the rights and welfare of children globally.