Incoming Resources
- Chester Nez and the unbreakable code, a Navajo code talker's story, Joseph Bruchac, pictures by Liz Amini-Holmes
- The code book, how to make it, break it, hack it, or crack it, Simon Singh
- Breaking secret codes, by Jillian Gregory
- Can you crack the code?, by Ella Schwartz ; illustrated by Lily Williams
- Code girls, the untold story of the American women code breakers of World War II, Liza Mundy
- Bitcoin for dummies, by Peter Kent and Tyler Bain