Decode the story of Elizebeth Friedman, the cryptologist who took down gangsters and Nazi spies In this picture book biography, young readers will learn all abo

“If you’ve got a good idea, and you know it’s going to work, go ahead and do it.” The inspiring story of Grace Hopper—the boundary-breaking woman who

"Read about the historical code makers and breakers who protected their countries by coding and decoding messages for their governments, and the modern cryptolo

A picture book biography of Elizabeth Friedman, a brilliant American code breaker who smashed Nazi spy rings, took down gangsters, and created the CIA's first c

An inspiring graphic novel about Elizebeth Friedman, a codebreaking pioneer who changed the course of World War II. Nazi spy rings! No-good gangsters! Shakespea