Incoming Resources
- Top secret, a handbook of codes, ciphers, and secret writing, Paul B. Janeczko ; illustrated by Jenna LaReau
- Navajo code talkers, Nathan Aaseng
- Code breaker, spy hunter, how Elizebeth Friedman changed the course of two world wars, by Laurie Wallmark ; illustrated by Brooke Smart
- Cryptography, a very short introduction, Fred Piper and Sean Murphy
- Cracking codes & cryptograms for dummies, by Denise Sutherland and Mark E. Koltko-Rivera ; foreword by Chris Hodapp
- The code book, how to make it, break it, hack it, or crack it, Simon Singh
- Codes, ciphers, and other secrets, Karin N. Mango
- Near and distant neighbors, a new history of Soviet intelligence, Jonathan Haslam
- Cryptography, the key to digital security, how it works, and why it matters, Keith Martin
- 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