This is the story of a wonderful, changing, reawakening world—the world of the Renaissance and Reformation. Measured by the lifetime of Columbus and his sons, this book spans the years from 1451-1539. With Columbus as the central figure of this narrative, readers will also learn the fascinating stories of Prince Henry the Navigator, Ivan III of Russia, Gutenberg, Queen Isabella, Leonardo da Vinci, Mohammed II, the African ruler Nomi Mansa, Martin Luther, Erasmus, Albrecht Dürer, Copernicus, Michelangelo and many others.