Page:General History of Europe 1921.djvu/167

 Alexander the Great and the Hellenistic Age in MAP OF THE WORLD ACCORDING TO HERODOTUS (450 B.C.) MAP OF THE WORLD ACCORDING TO ERATOSTHENES (200 B.C.) 171. The Alexandrian Library and Book Publishing. Be- sides these natural sciences there was now much study of litera- ture. All other libraries of the time were far surpassed by that of the Ptolemies at Alexandria, which finally contained over half a million rolls. The immense amount of copying by hand required