POSKITT Kjartan <br/><br/>
Guaranteed to mash your mind / 
Kjartan Poskitt 
 - London :  Scholastic Children's Books,  2008 
 - 159 p , ill ; 20 cm 
 - Murderous maths .
<br/><br/><label>ISBN: </label>9781407105871 (pbk.) :  16.90 BND 
<br/><br/><label>Subjects--Topical Terms: </label><br/>FICTION--ENGLISH