Don Lorenzo and Arnold Neville lead separate expeditions to the South American interior whereupon they encounter the exiled king of the underground world. But can Neville help him reclaim his throne when the arch-priestess, Alloyah, raises an army of the dead? The sequel to âThe Devil-Tree of El Doradoâ and âA Queen of Atlantisâ, âKing of the Deadâ is a novel among the most famous âlost raceâ novels written by the British author Frank Aubrey.