The New book of knowledge 

 - 21 v. :  ill.  + Study guide 
<br/><br/> Summary : An illustrated encyclopedia with articles on history, literature, art and music, geography, mathematics, science, sports, and other topics.  Some articles include activities, games, or selections from classic tales. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dictionaries
<br/><br/><label>Index Terms--Genre/Form: </label>
<br/><br/><label>Dewey Class. No.: </label>031