"Nick Denchfield and Ant Parker." <br/><br/>
fun with numbers 

 - England  ,Usborne Publishing Ltd,London; Macmillan Children's  1999 
 - 14 
<br/><br/><label>ISBN: </label>9780746036815 
<br/><br/><label>Dewey Class. No.: </label>510  / 392