The World Book encyclopedia 

 - 22 volumes :  color illustrations, color maps 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780716601104 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia and dictionaries
<br/><br/><label>Dewey Class. No.: </label>031