Worlds together, worlds apart : a history of the world from the Mongol Empire to the present / Robert Tignor ... [et.al.]. - Second edition. - New York : W.W. Norton & Company, 2008. - xli, 509 pages : colored illustration ; 28 centimeter. Includes index. Glossary: various pagination. ISBN: 9780393925487 Subjects--Topical Terms: World history. Dewey Class. No.: FOR 909 W89 2008