Richard Brrown <br/><br/>
30- Second Maths :  The 50 most mind-expanding theories in mathematics, each explained in half a minute 
Richard Brrown 
 - New York :  Metro Books,   2012 
 - 160 pages,   color illustrations ;  24 cm 
<br/><br/><label>ISBN: </label>9781848313699 
<br/><br/><label>LC Class. No.: </label>QA112  / B769 S2012