Nardo, Don,  1947- <br/><br/>
Gravity :  the universal force  
by Don Nardo. 
 - San Diego, CA :  Lucent Books,  c1990. 
 - 96 p. :  ill. (some col.) ;  27 cm. 
 - The Encyclopedia of discovery and invention .
<br/><br/>Includes bibliographical references (p. 90) and index. 
<br/><br/> Explains the force of gravity, including theories of gravity and its effects on human life. 
<br/><br/><label>ISBN: </label>1560062045  9.95 
<br/><br/><label>LCCN: </label>90006413 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gravity--Juvenile literature.<br/>Gravitation--Juvenile literature.<br/>Gravity.
<br/><br/><label>LC Class. No.: </label>QB341  / .N35 1990 
<br/><br/><label>Dewey Class. No.: </label>531/.14