Incoming Resources
- Top secret, a handbook of codes, ciphers, and secret writing, Paul B. Janeczko ; illustrated by Jenna LaReau
- Chester Nez and the unbreakable code, a Navajo code talker's story, Joseph Bruchac, pictures by Liz Amini-Holmes
- 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