Attila the Hun was "the Genghis Khan of Europe," says British historian Man in this fast-paced though often prosaic account of the rise and fall of the Huns and their infamous leader. Man traces the origin of the Huns, following these restless nomads from the steppes of Mongolia to present-day Hungary. Attila led his people in terrifying raids into new lands in the fifth century. Relying on scant written sources, Man (Genghis Khan; Gobi: Tracking the Desert) portrays Attila as a man of "extreme contradictions" and moods, skillful at deceiving both his closest advisers and his greatest enemies. In his military campaigns, Attila moved quickly to loot as many villages as he could in order to satisfy his followers. His armies of mounted archers, a throng that could shoot up to 12,000 arrows a minute, wrought destruction and terror wherever they went. He terrified the Romans as he approached their city, but Man says Attila would never have been able to penetrate the fortresses of...