I recently read Simon Singhs book "The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography" [1]: it is very fun and readable about this

I recently read Simon Singhs book "The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography" [1]: it is very fun and readable about this (and many other) cipher. https://www.amazon.com/Code-Book-Science-Secrecy-Cryptography-ebook/dp/B004IK8PLE/ref=sr_1_1?keywords=simon+singh&qid=1562308890&s=gateway&sr=8-1 https://www.amazon.com/Code-Book-Science-Secrecy-Cryptograph...