What is the stone, bronze, or iron ages? How long did they last and how did people live during these eras? Who were the leaders, and what were the main settlements you can still visit today? There's a lot to know about these three important eras in human history! Through this book, readers will discover the answers to these questions and learn more about how people lived each day during these three ages. Find out how early people traded and grew food and learn about the development of some of the first civilizations to flourish.