Edgar Rice Burroughs

Tarzan at the Earth's Core is a novel written by Edgar Rice Burroughs, published in 1930. the thirteenth in his series of books about the title character Tarzan and the fourth in his series set in the interior world of Pellucidar.

Tarzan, Lord of the Jungle is a novel written by Edgar Rice Burroughs, generally considered the eleventh in his series of books about the title character Tarzan. It was first published as a serial in Blue Book Magazine from December 1927 through May 1928; it first appeared in book form in a hardcover edition from A. …