Jenkins, Gerald. <br/><br/>
Tarquin number challenges / 
by Vivien Lucas and Magdalen Bear. 
 - St Albans, Herts :  Tarquin,  2008. 
 - 55 p. :  25 cm. 
<br/><br/><label>ISBN: </label>189961849X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations.<br/>Number games.