These are relevant books written by commentators and others that deal with the subject, and related tangential ones, of ancient alien visitations.
Chariots of the Gods by Erich von Danikken
The 12th Planet by Zechariah Sitchin
These are relevant books written by commentators and others that deal with the subject, and related tangential ones, of ancient alien visitations.
Chariots of the Gods by Erich von Danikken
The 12th Planet by Zechariah Sitchin