Inventions and siscoveries. 

 - China :  Time Life Asia,  2002. 
 - 87 p. :  ill. (some col.) ;  30 cm. 
 - A Child's first library of learning. .
<br/><br/> Questions and answers explore the world of inventions, explaining the creation of the radio, toothpaste, and other modern necessities. 
<br/><br/><label>ISBN: </label>0809473089 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions--Miscellanea--Juvenile literature.<br/>Inventions--Miscellanea.<br/>Questions and answers.<br/>Time - Life Books.
<br/><br/><label>Dewey Class. No.: </label>609