Jeffrey, Andrew <br/><br/>
Be a wizard with numbers : 101 ways to count yourself smart 

 - London ; New York:  Distributed in the USA and Canada by Sterling Pub., Duncan Baird Publishers,  2009 
 - 144 p. : ill. (some col.) ; 17 cm. 
<br/><br/><label>ISBN: </label>9781844838424 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations
<br/><br/><label>Dewey Class. No.: </label>510 JEF