Poskitt, Kjartan, <br/><br/>
The key to the universe / 
Kjartan Poskitt ; illustrated by Philip Reeve. 
 - London :  Scholastic,  2009. 
 - 192 pages :  illustrations ;  20 cm. 
 - Murderous maths .
<br/><br/><label>ISBN: </label>9781407107110 (pkk.) 1407107119 (pkk.) 
<br/><br/><label>LCCN: </label>2015458864 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Miscellanea--Juvenile literature.<br/>Mathematics--Juvenile humor.<br/>Arithmetic--Miscellanea--Juvenile literature.<br/>Arithmetic--Juvenile humor.<br/>Arithmetic--Wit and humor.<br/>Mathematical recreations.
<br/><br/><label>LC Class. No.: </label>MLCS 2017/47724 (Q)