A child's first library of learning : How things work 

 - Alexandria, Va:  Time-Life Books Inc,  1989 
 - v. : col. ill. ; 30 cm 
<br/><br/><label>ISBN: </label>9780809448739 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dictionaries
<br/><br/><label>Dewey Class. No.: </label>001 HOW