Duiker, William J., 1932- The essential world history / William J. Duiker, The Pennsylvania State University, Jackson J. Spielvogel, The Pennsylvania State University. - Seventh edition. - xxxi, 864 pages : illustrations, maps ; 26 cm Includes bibliographical references and index. ISBN: 9781133606581 (pbk.) 113360658X LCCN: 2012921058 Subjects--Topical Terms: World history. LC Class. No.: D20 / .D918 2013 Dewey Class. No.: 9009 / DUI-E 358