Tieck, Sarah  1976- <br/><br/>
Levers :  Simple Machines. 

 - Edina, Minnesota :  ABDO,  c2007. 
<br/><br/><label>ISBN: </label>9781596798144, 1596798149 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Levers - Juvenile Literature<br/>Lifting and carrying - Juvenile Literature<br/>Series:  Beginning to End