This book presents biographies of 100 religious leaders who have had the greatest impact on their respective followers, nations, regions, and the world at large

This book presents biographies of 100 military leaders, both good and evil, who represent nations throughout the world and the most significant wars in history.

This book presents biographies of 100 innovators of technology who have affected nearly every facet of life, from transportation and communication to science an

It takes a great deal of personal strength, charisma, and intelligence to lead others. Some leaders improve the lives of their fellow citizens while others rule

This book presents biographies of 100 individuals in the medical field responsible for everything from vaccinations to gene therapy. It allows readers to unders