TY  - BOOK
AU  - McKay,Sinclair
TI  - The hidden history of code-breaking: the secret world of cyphers, uncrackable codes, and elusive encryptions 
SN  - 9781639364343
PY  - 2023///
CY  - New York
PB  - Pegasus Books
KW  - Ciphers
KW  - History
KW  - Cryptography
N1  - The codes of the ancients -- The cipher masterminds -- The bible enigmas -- Pyramid power -- The secret ciphers of love -- The axeman's enigmas -- The poetry of codes -- Victorian encryptions -- Ciphers of the great war -- A continent of codes -- Enigma and its variations -- The star-spangled cryptographers -- Codes from the future -- Answers
N2  - A fascinating exploration of the uncrackable codes and secret cyphers that helped win wars, spark revolutions and change the faces of nations
ER  -