Ollerton, Mike. <br/><br/>
30 years on :  numbers evetywhere, turning the tables and 15 starters revisited / 
by Mike Ollerton. 
 - Derby :  Associatin of Teachers of Mathematics,  2002. 
 - 38 p. : ;  27 cm. 
<br/><br/><label>ISBN: </label>1898611181 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations.<br/>Mathematics--Numbers