Springer-Verlag has just published my latest cryptology book History of Cryptography and Cryptanalysis: Codes, Ciphers and their Algorithms. If you read it, please let me know your opinion!
https://smile.amazon.com/History-Cryptography-Cryptanalysis-Algorithms-Computing/dp/3319904426/ref=tmm_hrd_swatch_0?_encoding=UTF8&qid=1536610952&sr=8-1