POSKITT, KJARTAN <br/><br/>
MURDEROUS MATHS   GUARANTEED TO MASH YOUR MIND 
Kjartan Poskitt 
 - London  Scholastic  2008 
 - 159 pages  illustrations  20 cm 
 - Murderous maths .
<br/><br/><label>ISBN: </label>9781407105871 
<br/><br/><label>Dewey Class. No.: </label>J 513 POSK