Stewart, Jeff <br/><br/>
Why balloons rise and apples fall :   the laws that make the world work / 
Jeff Stewart 
 - London  Michael O'Mara Books  2010 
 - 192 p. 
<br/><br/><label>ISBN: </label>9781782436966 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>530 STE-J