Cod Declassified

Reflex Distribution & Media GmbH

Da Vinci Declassified - Die Wahrheit über den Code

Up Itchen Books

Cryptograms Declassified, 100 Outlandish True Stories Hidden in Code: Uncover Curious Stories of History, Animals, Culture, & Wild Enigmas in this Large Print Puzzle Book

Nikola Tesla's Free Energy: Tesla's inventions, the 369 code and the declassified journals 100 years later (English Edition)

Independently published

Code Name: Dodger—Declassified                  

LG

Canvas Code an action adventure thriller (The Declassified Series) (English Edition)

Independently published

Operational Groups Field Manual (Large Print Edition): Declassified OSS operational guidelines revealing training methods strategic organization and ... used in enemy‐occupied World War II theaters

Red and Black Publishers

American Cryptology During the Cold War: The Complete Declassified Official Four-Volume History of the NSA [Illustrated]

Independently published

The Orphan Code: Secret Children of the Elite and the Psychic War They Were Born to Fight

Ancient Aliens: The Declassified Secret Files (English Edition)

The Navajo Code Talkers: America’s Uncrackable WWII Weapon: How a Native Language Outsmarted the Japanese Empire (Unsung Heroes: The Untold Courage of the World Wars) (English Edition)