is similar to the Mangani. Tandar - A tribe who live on the Island of Tandar and often fight with the Manats. Xexots - A tribe of yellow-skinned humans whose culture is based on the Bronze Age. The Xexots reside in walled cities. The male and female Xexots wear nothing on their torsos. The children and other younger Xexots never wear clothes. Also, the priests are distinguished by their hideous masks and long leather robes. Novels At the Earth's Core (1914) Pellucidar (1915) Tanar of Pellucidar (1929) Tarzan at the Earth's Core (1929-1930) Back to the Stone Age (1937) Land of Terror (1944) Savage Pellucidar (1963) Sequels by John Eric Holmes John Eric Holmes's Mahars of Pellucidar was a sequel to Burroughs' Pellucidar novels authorized by the Burroughs estate. Publication of Holmes' follow-up novel, Red Axe of Pellucidar, reportedly ready for print in 1980, was reportedly blocked by the estate, and only saw print much later in a limited private edition. Mahars of Pellucidar (1976) Red Axe of Pellucidar (1993) In other media DC Comics published a comic book adaptation of At the Earth's Core that ran in Korak, Son of Tarzan #46, then moved to Weird Worlds #1–5, then continued with an adaptation of Pellucidar in #6–7. Another Pellucidar story appeared in Tarzan Family #66. Dark Horse Comics reprinted this in trade paperback in 2017. Pellucidar has appeared in one movie adaptation. The first novel was filmed as At the Earth's Core (1976), directed by Kevin Connor with Doug McClure as David Innes and Peter Cushing as Abner Perry. Pellucidar appears in the Tarzan, Lord of the Jungle episode "Tarzan at the Earth's Core". The 1996 pilot of the TV series Tarzan: The Epic Adventures also features Pellucidar, as well as the character Jana from the novel Tarzan at the Earth's Core. This story also features a race of Mahars who are able to transform into humanoid form. Also, in the 1996 novelization of Tarzan: The Epic Adventures by R. A. Salvatore, based on the teleplay for the pilot of the series, Pellucidar is featured in the later part of the story. The story is inspired by The Return of Tarzan and Tarzan at the Earth's Core. Pellucidar appears in a few episodes of the Disney cartoon series The Legend of Tarzan, loosely inspired by Tarzan at the Earth's Core. In the show, however, Pellucidar is merely described as