The magnificent, unrivaled history of codes and ciphers -- how they're made, how they're broken, and the many and fascinating roles they've played since the daw

"The author, Bengt Beckman, for many years was the head of the cryptanalysis department of the Swedish signal intelligence agency. He has crafted a book that a

The Code Breaker Series Box Set Books 1-3 Men and women from the class of privilege and rank risk their lives to defend England against the treacherous designs

In Espionage's Most Wanted™, readers will learn that America’s first spymasters included Benjamin Franklin and John Jay. Otto von Bismarck’s chief spy, Wi

Meet Piotr, Minnie, Andrew, Flora and Sylvie – true friends and even better mystery-solvers! When Minnie's gran comes to stay, all the way from Nigeria, Minni