Yeo, Adrian. <br/><br/>
Are you the king or are you the joker? :  play math for young children / 
 Play math for young children 
Yeo Adrian. 
 - Hackensack, N.J. :  World Scientific,  2006. 
 - 148 p. :  ill.  
<br/><br/>9780415331098 
<br/><br/> YT2025 M09 
<br/><br/><label>ISBN: </label>9812704043 9789812704047 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations.
<br/><br/><label>LC Class. No.: </label>QA95  / Y46 A 2006