TY  - BOOK
AU  - Poskitt, Kjartan
TI  - The key to the universe : it's maths with the laughs added in! / : Kjartan Poskitt.  
SN  - 9781407107110  
U1  - CIR 510 P842 2009 
PY  - 2009///.
CY  - London : 
PB  - Scholastic
ER  -