A child's first library of learning :  how things work / 

 - China :  Educational Technologies Limited,  2006. 
 - 87 pages :  colored illustrations ;  31 cm. 
<br/><br/><label>ISBN: </label>0809472791 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Work.
<br/><br/><label>Dewey Class. No.: </label>530  / E1