This is the audiobook of the original version, not the extended edition. Since the extended version is still being updated regularly, I’ll hold off on producing its audiobook until it’s finalized.
Click each link in the Table of Contents to download each chapter.
1.) Introduction
2.) Leon Battista Alberti’s Spies
4.) Nezahualcoyotl’s cryptanalysis
8.) Hyksos Surveillance at Phoenicia
10.) Special Agent Alexander Jannaeus
12.) Semetic Counterintelligence
13.) Mongol Warlords
14.) Deciphering Dante's Inferno
15.) Another Proxy of Sir Francis Bacon
16.) Secrets of the Voynich Manuscript
18.) Conclusion