Way, Steve. <br/><br/>
Simple machines :  discover science through facts and fun / 
by Steve Way and Gerry Bailey. 
 - North American ed. 
 - Pleasantville, N.Y. :  Gareth Stevens Pub.,  2009. 
 - 32 p. :  col. ill. ;  27 cm. 
 - Simply science. .
 - Simply science. .
<br/><br/> Includes index. 
<br/><br/> Introduces such machines as levers, pulleys, wheels and ramps. 
<br/><br/><label>ISBN: </label>0836892313 (hc.) :  $19.99 9780836892314 
<br/><br/><label>LCCN: </label>2008012425 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Simple machines--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>TJ147  / .W39 2009 TJ147  / .W39 2009 
<br/><br/><label>Dewey Class. No.: </label>621.8