Clark, Lesley <br/><br/>
Sorting and opposites 
by Lesley Clark; illustrations by Terry Burton; photography by Garie Hind  
 - Loughborough:  Ladybird Books Ltd,  n.d. 
 - 24p.:  ill; 
 - learning at home .
<br/><br/><label>ISBN: </label>9780721426099 
<br/><br/><label>Dewey Class. No.: </label>428.1