Duiker, William J. <br/><br/>
The essential world history / 
William J. Duiker, Jackson J. Spielvogel 
 - 7th ed. 
 - Boston, MA :  Wadsworth, Cengage Learning,  2014 
 - xxxi, 864 p. :  col. ill. , col. maps ;  26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781133606581 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>World history