The Incas (History Opens Windows)

What is an ayllu? How were the Incas ruled? Why did the Inca civilization disappear? The Incas answers these questions and more. The books in the History Opens Windows series help you discover what life was like in the ancient civilizations and other historic times. Learn what the Incas wore, what they ate, how they traveled from place to place, and find out how we know about them today.