I recently finished reading The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography , and it is hands down one of the most accessible and thrilling non-fiction books I’ve ever picked up. It is a masterclass in how to make complex mathematics feel like an action movie.

For students, hobbyists, or those looking for the PDF for academic research, the book covers several pillars of cryptographic science:

References: Singh, S. (2000). The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography. Anchor Books.