From a handout found at the National Cryptologic Museum Library, October 2019:
Books
1. The Codebreakers, by David Kahn.
2. The Secret Sentry, by Matthew Aid
3. Battle of Wits, by Stephen Budiansky
4. Code Warriors, by Stephen Budiansky
5. Code Girls, by Liza Mundy
6. The Woman Who Smashed Codes, by Jason Fagone
7. The Puzzle Palace, by James Bamford
8. Body of Secrets: Anatomy of the Ultra-Secret National Security Agency, by James Bamford
9. The Reading of Gentlemen’s Mail, by David Kahn
10. Seizing the Enigma, by David Kahn
11. Codes, Ciphers and Other Cryptic and Clandestine Communications, by Fred Wrixon
12. Alan Turing: The Enigma, by Andrew Hodges
13. Playing to the Edge, Michael Hayden
14. The Code Book, by Simon Singh
15. Unsolved, by Craig Bauer
16. Unlikely Warriors, by Lonnie Long and Gary Blackburn
17. The Price of Vigilance, by Larry Tart and Robert Keefe
18. Joe Rochefort’s War, by Elliot Carlson
19. Between Silk and Cyanide: A Codemaker’s Story, by Leo Marks
20. The Riddle of the Labyrinth, by Margalit Fox