TY  - BOOK
AU  - Christopher,John
TI  - The guardians
SN  - 0435121766
AV  - PZ 7 C47 1973 
PY  - 1973///
CY  - London : 
PB  - Heinemann/New Windmills, 
KW  - Juvenile literature
KW  - England -- Fiction
KW  - Science -- Fiction
KW  - Teenage boys -- Fiction
KW  - Orphans -- Fiction
ER  -