Ball, Johnny <br/><br/>
Think of a number / 
Johny Ball 
 - London :  Penguin Random House  2005 
 - 96 p. 
<br/><br/><label>ISBN: </label>9780241243589 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General Mathematics
<br/><br/><label>Dewey Class. No.: </label>510 BAL