The Amadi manuscript was kept secret for hundreds of years and is now published for the first time since 1588. In this second volume, eighteen ciphers are presented and then analyzed and discussed:
ransposition cipher, veiled cipher, line cipher, superfluous cipher, symbol cipher, foreign cipher, 12-letter cipher, cipher with 20 symbols, cipher with 3 alphabets, Oedipus cipher, Ticiano cipher, queen cipher, babuini cipher, babuini cipher...