Cryptography : cracking codes

New York, NY : Britannica Educational Publishing, In Association With Rosen Educational Services, 2013.

The hidden history of code-breaking : the secret world of cyphers, uncrackable codes, and elusive en
McKay, Sinclair, author.
New York : Pegasus Books, 2023.

Mysterious messages a history of codes and ciphers
Blackwood, Gary L.
New York, N.Y. : Dutton Children's Books, [2009]

Secret key cryptography : ciphers, from simple to unbreakable
Rubin, Frank (Cryptographer), author.
Shelter Island, NY : Manning Publications, [2022]

Silent warriors : the Naval Security Group Reserve, 1945-2005
Schindler, John R.
Fort George G. Meade, Md. : Distributed by the National Security Agency, Center for Cryptologic History, [not before 2005]

The Venona story
Benson, Robert Louis, author.
Fort George G. Meade, MD : Center for Cryptologic History, [2001]

Versteckte Botschaften : die faszinierende Geschichte der Steganografie
Schmeh, Klaus, author.
Hannover [Germany] : Heise, [2017]