Led by the American explorer David Innes, the human communities have finally overthrown Pellucidar's slave masters, the dreaded Mahars. The peace, however, is temporary, and the Pellucidarian Empire is faced with a new menace, the deadly Korsar pirates. This is the third work in the Pelludicar series from the legendary creator of Tarzan .

Tells the story of a baby - orphaned in the African jungle - who was brought up by apes, not knowing that his parents were Lord and Lady Greystoke of England.

Conquering the savage laws of the wilderness, Tarzan grows into a mighty warrior and becomes leader of his tribe of apes. When an expedition of white treasure hunters enters his jungle kingdom, accompanied by the beautiful Jane Porter, Tarzan's primitive heart is struck and he determines to become civilized in order to win her.

After a brief and harrowing period among men, Tarzan turned back to the African jungle where he had grown to manhood. It was there he first heard of Opar, the city of gold, left over from fabled Atlantis. It was a city of hideous men - and of beautiful, savage women, over whom reigned La, high priestess of the Flaming God.

A collection of correspondence from one of the United States's most popular writers, author of the Tarzan series and other works, Edgar Rice Burroughs.