1921. Contents: ancient ruins of Britain; prehistoric remains of America; Atlantis; mystic number seven; Babylonian cosmology; Paradise located through: Genesis; Cortesian Codex; West or East, Josephus; The Odyssey; Plato; the Argonauts; Perseus; ancient Mexico; mound builders; the Serpent; transformation myths; the cross; Antediluvians; mathematics of the ancients; calendars; miscellaneous notes; with an appendix of a newly found flood tablet.