sentences:  Entering the interior of the world via a Symmes Hole, the protagonists from the world above find an advanced civilization who use spiritual power to do everything from maintain youth to resurrect the dead.In a civil war that erupts following the Atvatabar Goddess's love for a surface man, Lexington White, the ruling powers are overthrown and Lexington White becomes the new king of Atvatabar, the Goddess his queen, and rich trade relations with the surface are opened.It was published by J. F. Douthitt in 1892, and featured an introduction by Julian Hawthorne and illustrations by Cyrus Durand Chapman.