Paul B. Janeczko
Author
Language
English
Formats
Description
"A wealth of information in an engaging package." — Kirkus Reviews
Ever since George Washington used them to help topple the British, spies and their networks have helped and hurt America at key moments in history. In this fascinating collection, Paul B. Janeczko probes examples from clothesline codes to surveillance satellites and cyber espionage. Colorful personalities, daring missions, the feats of the loyal, and the
...Author
Accelerated Reader
IL: MG - BL: 7.3 - AR Pts: 3
Language
English
Description
Presents a guide to codemaking, codebreaking, and their role in history, describing different types of codes and ciphers, discussing codebreaking and concealment techniques, and including brief stories about exciting moments in the history of the art.