TY  - BOOK
AU  - Harris,Robert
TI  - Enigma
SN  - 0099992000
U1  - Fic 
PY  - 1996///
CY  - London
PB  - Arrow Books
KW  - World War, 1939-1945
KW  - Secret service
KW  - Fiction
KW  - lcgft
KW  - Thrillers (Fiction)
N2  - A member of a top-secret team of British cryptographers, Tom Jericho succeeds in cracking "Shark," the impenetrable operational cipher used by Nazi U-boats, but when the Germans change the code, Jericho must break the new code before the traitor among his group can stop him
ER  -