""A Great Emperor: Charles V, 1519-1558"" is a historical biography written by Christopher Hare and published in 1917. The book explores the life and reign of Charles V, who was the Holy Roman Emperor from 1519 to 1558. Hare examines Charles V's rise to power, his accomplishments as emperor, and the challenges he faced during his reign, including conflicts with the Ottoman Empire and the Protestant Reformation. The book also delves into Charles V's...