The world book encyclopedia :   N - O 

 - 542 pages :   colour illustrations ;   26 cm 
 - The World Book .
 - The World Book .
<br/><br/><label>ISBN: </label>0716666944 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>032.02