How things work. 

 - China :  Time-Life Asia,  2002. 
 - 87 p. :  col. ill. ;  31 cm. 
 - A Child's first library of learning .
<br/><br/> Ill. on lining papers. 
<br/><br/> Questions and answers provide information about how cameras, elevators, car engines, tops, yo-yos, and other devices work. Includes charts, diagrams, and an activities section. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--Juvenile literature.<br/>Questions and answers<br/>Technology--Miscellanea.
<br/><br/><label>LC Class. No.: </label>T48  / .H74 2002