Childcraft :  the how and why library. 

 - 9th ed. 
 - Chicago :  World Book-Childcraft International,  1976. 
 - 15 v. 
<br/><br/> Library has vols. 4, 8, 11, 12, 13, 15. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dictionaries.