The books in this series put within the reach of young adult readers the lives of individuals--scientists, explorers, humanists--who distinguished themselves by their contributions to history and progress. They are written in an engaging style and contain an abundance of information that brings each individual's achievements to life. Charlemagne, also known as Charles the Great, was king of France and emperor of the West. Since the beginning of his reign in 768, he sought to unite Western Europe by expanding into what became the Carolingian Empire. This biography explains how, thanks to his...