O'Brien, Derek <br/><br/>
Book of knowledge 10 
Derek O'brien 
 - London  Puffin Books  2006 
 - 133 p. 
<br/><br/><label>ISBN: </label>9780143335290 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quiz
<br/><br/><label>Dewey Class. No.: </label>793.92 OBR