The World book encyclopedia 

 - 22 volumes :  color illustrations, color maps 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780716601098 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries
<br/><br/><label>Index Terms--Genre/Form: </label>
<br/><br/><label>Dewey Class. No.: </label>031