Childcraft.  

 - Chicago :   World Book International,   ©1993. 
 - Vols. :  ill. ;  25 cm. 
<br/><br/> Includes index.  
<br/><br/>V. 7- The universe ;  
<br/><br/>300  300 
<br/><br/> Illustrated articles, stories, and poems, grouped thematically in fifteen volumes under titles including "World and space,""About animals,""How things work," and "Make and do." 
<br/><br/><label>ISBN: </label>0-7166-6011-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dictionaries. 
<br/><br/><label>Dewey Class. No.: </label>808.8 / C436