The New book of knowledge. 

 - 21 vols. ill.  27cm. 
<br/><br/><label>ISBN: </label>0-7172-0533-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dicyionaries.<br/>Encyclopedias.
<br/><br/><label>Dewey Class. No.: </label>GRef 031 N42 2002