Lafferty, Peter <br/><br/>
Force & motion / 
written by Peter Lafferty. 
 - London :  D. Kindersley in association with The Science Museum,  c1992. 
 - 64 p. : col. ill. 
 - Eyewitness guides ; 78 .
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Force and energy--Juvenile literature<br/>Motion--Juvenile literature