Reply To: The Library
The Empty Vault › Forums › Bureau of Security and Signals Intelligence Forum › The Library › Reply To: The Library
27th September 2022 at 9:34 pm #84578
“Puzzles for Spies” is a gentle codebreaking book produced by GCHQ which has only just been published. It’s targeted at a younger audience, compared to their two other puzzle books, and offers a fun introduction to solving puzzles and, more specifically, cracking codes.