Guided by Time Magazine's list of 100 most influential people, this series of 64-page biographies focuses on the leaders, scientists, and icons who shaped our world. These people, many from very humble beginnings, changed how the world works. Each biography includes a glossary, timeline, and illustrations. An individual guide for each title provides reproducible activities to extend the text. At an early age, Helen Keller lost both her sight and hearing. Frustration made her a difficult child, until she met Anne Sullivan. With Anne's help, Helen learned to communicate. She became a strong-minded woman who shared her thoughts and her inspiration with the world. See how Helen conquered her disabilities. Learn how she came to be a light in the lives of so many people.