Reply To: The official Challenge 10 tips and hints thread

[Crackerjack]

Forgot to mention, the AMSCO cipher and the Myszkowski Transposition are also in Madness’ book

https://www.cipherchallenge.org/wp-content/uploads/2022/09/A-Book-on-Classical-Cryptography-by-Madness.pdf

[Another excellent book! Harry]