TY  - BOOK
AU  - Harris, Robert,
TI  - Enigma
SN  - 9780099527923
U1  - 823.914 HAR 
PY  - 2009///
CY  - New Delhi
PB  - Random House India
KW  - English fiction
KW  - World War
KW  - Enigma cipher system
N1  - March 1943, the war hangs in the balance, and at Bletchley Park a brilliant young codebreaker is facing a double nightmare. The Germans have unaccountably changed their U-boat Enigma code, threatening a massive Allied defeat
ER  -