The new book of knowledge. 

 - 21 v. :  ill., maps, ports. ;  26 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/>  
<br/><br/><label>ISBN: </label>0717205401 
<br/><br/><label>LCCN: </label>2005011061 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dictionaries.
<br/><br/><label>LC Class. No.: </label>AG5  / .B64 2006 
<br/><br/><label>Dewey Class. No.: </label>031/N420