Wallace, Karen and Blake, Beccy <br/><br/>
Detective Derek 

 -  Evan Brothers Ltd  2007 
 - 47 
<br/><br/> Derek the cat wants to be a police detective more than anything, but first he and Sergeant Norman must catch the mouse and the boxer, two of the sneakiest crooks in town. 
<br/><br/><label>ISBN: </label>978-0-23753-406-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal Story<br/>Fiction<br/>Juvenile Literature