O'Brien, Derek <br/><br/>
Discover with Derek  a knowledge activity book for 8-9 year old 

 - New Delhi  Puffin Books  2002 
 - unnumbered p  28 cm 
<br/><br/> Part 1: for 8-9 year old 
<br/><br/><label>ISBN: </label>0143335502 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thaught and thinking-Study and teaching(Elementary)
<br/><br/><label>Dewey Class. No.: </label>CL  / 372.13 OBR