From the book description
What is a seal? How was the Indus Valley ruled? Why did the Indus Valley civilization disappear? The Indus Valley answers these questions and more. The books in the History Opens Windows series help you discover what life was like in ancient civilizations and other historic times. Learn what the Indus Valley people wore, what they ate, how they traveled from place to place, and find out how we know about them today.
Heinemann, 2008