cryptography

Steganography is the art of concealing messages in plain sight. Read about invisible inks, the Cardano Grille, the use of microdots in WWI, and the butterfly maps of Lord Baden-Powell.

"Biography of Elizebeth Smith Friedman, an American woman who pioneered codebreaking in WWI and WWII but was only recently recognized for her extraordinary contributions to the field"--Provided by publisher.

"By the time the United States joined the Second World War in 1941, the fight against Nazi and Axis powers had already been under way for two years. In order to win the war and protect its soldiers, the US Marines recruited twenty-nine Navajo men to create a secret code that could be used to send military messages quickly and safely across battlefields. . . [This book] explains how these brave and intelligent men developed their . . . code, recounts some of their riskiest missions, and discusses how the country treated them before, during, and after the war"--Provided by publisher.

Examines cybersecurity careers, highlighting different jobs, educational requirements, and job search tips.

Amy and Dan, members of the powerful Cahill family, try to uncover the thirty-nine clues which will reveal the secrets of their lineage and find out what really happened to their parents.

"In this picture book biography, young readers will learn all about Elizebeth Friedman (1892-1980), a brilliant American code breaker who smashed Nazi spy rings, took down gangsters, and created the CIA's first cryptology unit. Her story came to light when her secret papers were finally declassified in 2015. From thwarting notorious rumrunners with only paper and pencil to 'counter-spying into the minds and activities of' Nazis, Elizebeth held a pivotal role in the early days of US cryptology. No code was too challenging for her to crack, and Elizebeth's work undoubtedly saved thousands of lives. Extensive back matter includes explanations of codes and ciphers, further information on cryptology, a bibliography, a timeline of Elizebeth's life, plus secret messages for young readers to decode"--From the publisher's web site.

"Explore how technology and tactics not only shaped the Vietnam War, but changed the ethics of American surveillance from then until the present day"--Amazon.

"A teenage boy obsessed with crop circles and cryptography finds his boring life turned upside-down when he discovers that all of his conspiracy theories are true, sending him on the ultimate treasure hunt for an ancient secret spanning thousands of years. What is the connection between a lost mountaineer, an indecipherable manuscript, and the lost library of Alexandria? How is this connected to a one-eyed, flatulent Welsh Corgi and endless plates of corned beef sandwiches?"--Back cover.

"A nonfiction chronicle of the courageous efforts of remarkable young women recruited by the US government to crack German and Japanese military codes during World War II."--Provided by publisher.