TY  - BOOK
AU  - Riordan, Rick
TI  - Percy Jackson : the demigod files
T2  - Percy Jackson and the Olympians
SN  - 9780141331461
U1  - F 823 
PY  - 2013///
CY  - London
PB  - Penguin random house UK
KW  - English – Fiction Book
N2  - uitable for all young demigods, this book looks at the world of demigods that no regular human child is allowed to see
ER  -