Brodie, Andrew. <br/><br/>
Number journey :  for ages 10-11 / 
by Andrew Brodie. 
 - 1st ed. 
 - London :  A & C BlackPublishers,  2008. 
 - 64 p. :  ill ;  30 cm. 
<br/><br/><label>ISBN: </label>9780713689853 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic operations.<br/>Mathematics--Study and teaching (Elementary).<br/>Numbers.