Laurie Wallmark, Code Breaker, Spy Hunter: How Elizebeth Friedman Changed the Course of Two World Wars (Childrens, Coming March 2021) ...

If students don’t learn how to write code, how can they grow up to be future spies and code-breakers?

The female code breakers were instrumental at every stage of the war, running complex office machines converted as code breakers, building libraries of public speeches, shipping inventories and ...

The sixth-graders have mastered many codes, including Morse, semaphore, phonetic alphabet and finger spelling. Now, they're studying ancient Egyptian history and learning about hieroglyphics.