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. Each entry includes information about childhood influences, education, career highlights, post-military life, and legacy as it relates to military history.

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. Young readers not only learn about notable leaders of the various strands of Judaism, Christianity, Islam, Buddhism, and Hinduism, but also read about the contributions of offshoot sects and more obscure religions.

This book presents biographies of 100 innovators of technology who have affected nearly every facet of life, from transportation and communication to science and entertainment. Their names range from the familiar, such as Thomas Edison, to the more obscure, such as Henrietta Swan Leavitt, but their contributions to today's world are all vital.

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 with an iron fist, oblivious to the plight of others. This book covers the lives and agendas of leaders good and bad, those who history has justifiably vilified and others who will be cherished for years to come.

"The two hundred personalities described in this book have a fair claim to being the most significant in the last thousand years of military history. They include warrior kings and sultans, field marshals and ministers, tribal chiefs and junior officers. The majority of the entries are naturally concerned with field commanders; but the most influential theorists and administrators -- men like Clausewitz, Steuben, and Carnot -- also qualify for notice." -- inside cover.

This book presents biographies of 100 individuals in the medical field responsible for everything from vaccinations to gene therapy. It allows readers to understand how each pioneer built on the work of his or her peers and predecessors and how concepts relate to each other.