Poskitt, Kjartan <br/><br/>
Murderous Maths : Guaranteed To Mash your Mind / 
Kjartan Poskitt 
 - London:  Scholastic Ltd,  2008. 
<br/><br/><label>ISBN: </label>9781407105871  Ⱡ5.99 
<br/><br/><label>Subjects--Index Terms: </label>maths-short cuts tricks & tips-mathematics