The first book in Zecharia Sitchin's 'The Earth Chronicles' series, which interprets ancient Sumerian texts as evidence of an extraterrestrial race called the Anunnaki from a planet named Nibiru, who allegedly visited Earth and created humanity.
Sakurai's Sitchin
""Zecharia Sitchin is mentioned in a list of figures associated with alternative archaeological theories. 'The 12th Planet' is his most famous and relevant book on this subject."