The author proposes a re-modelled Greek alphabet reduced to 22 letters on the model of the 22 letters of Hebrew (leaving out Xi Ξ and Psi Ψ), and with the Hebrew letter names. He then interprets these letters as symbolic figures of 22 works of divine creation in the biblical Creation according to Genesis, and of 22 corresponding works of salvation by Christ. He shows this theory through descriptions of the various letters and interpretations of their shapes. This is followed by an account of the history of the alphabet, which weaves together elements of Greek mythology and the Hebrew Bible as well as several Jewish and pagan texts: according to this account, the Hebrew alphabet was first handed down to mankind by divine inspiration during the generation of Enoch, but was lost during the Confusion of Tongues. God then revealed the Greek alphabet on a tablet of stone, which, after the Deluge, was brought to Phoenicia and Greece by Cadmos.