TY  - BOOK
AU  - Cross, Gillian
TI  - The Demon headmaster strikes again 
SN  - 978 0 19 275585 8
U1  - JF CRO 
PY  - 2009///
CY  - Oxford 
PB  -  Oxford University Press
KW  - EVOLUTIONARY GENETICS EXPERIMENTS JUVENILE FICTION
ER  -