The New book of knowledge 

 - Danbury, Conn. :  Grolier Inc.,  1989 
 - 7 v. :  col. ill. ;  26 cm 
<br/><br/> Includes indexes 
<br/><br/><label>ISBN: </label>717205207 (SET) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dictionaries<br/>Encyclopedias and dictionaries
<br/><br/><label>Dewey Class. No.: </label>031.19 NEW 1989