Examines the evolution of codes and their impact on history, looking at key turning points in the development of codes, and explains why codes are relevant in the modern world, discussing the role of encryption in everyday life.
Skilled code-cracker and detective Ruby Redfort has an adventure at sea in which she must crack the case of the Twinford pirates while avoiding a vile sea monster and the evil Count von Viscount.
The Trackers, a team of tech-savvy kids, with a cache of wireless surveillance gear and mad coding skills, set out to find Shantorian, the world's most dangerous hacker. Includes a link to a Web site with related videos and clues.
During World War II, eleven-year-old Felicity is sent from London to Bottlebay, Maine, to live with her grandmother, aunt, uncle, and a reclusive boy who helps her decode mysterious letters that contain the truth about her missing parents.
Presents the basic "alphabet" of twenty-four hieroglyphic letters with the approximate English sound they represent and briefly discusses various other aspects of Egyptian culture.
This book discusses different methods of secret communications used by spies, such as Morse code, the Enigma machine, the Navajo language, and digital steganography, as well as career information on espionage.