The new book of knowledge. 

 - 21 v. :  ill. (some col.), col. maps ;  26 cm. 
<br/><br/> Includes indexes.  Vol. 21 is a combined index. 
<br/><br/>v.1. A -- v. 2. B -- v. 3. C -- v. 4. D -- v. 5. E -- v. 6. F -- v. 7. G -- v. 8. H -- v. 9. I -- v. 10. JK -- v. 11. L -- v. 12. M -- v. 13. N -- v. 14. O -- v. 15. P -- v. 16. QR -- v. 17. S -- v. 18. T -- v. 19. UV -- v. 20. WXYZ -- v. 21. Index. 
<br/><br/> An illustrated encyclopedia focusing on the arts, biographies, human biology, countries and states, government, history, mathematics, natural and physical sciences, sports and technology. 
<br/><br/>  
<br/><br/><label>ISBN: </label>0717205320 (set : alk. paper) 
<br/><br/><label>LCCN: </label>00034718  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dictionaries.<br/>Encyclopedias and dictionaries.
<br/><br/><label>LC Class. No.: </label>AG5  / .N273 2001 
<br/><br/><label>Dewey Class. No.: </label>031/N42