At the Earth's Core by Edgar Rice Burroughs Cutting through the earth in an extraordinary burrowing device, David Innes and Abner Perry fear they may be incinerated in the planet's fiery core. Instead, they come upon Pellucidar - a savage, primordial world hidden several hundred miles beneath the earth's crust. There in an eerie, subterranean realm of vast oceans, lush jungles, and eternal noon, they encounter primitive humans and their beautiful, courageous queen, Dian. At the Earth's Core is a 1914 fantasy novel by American writer Edgar Rice Burroughs, the first in his series about the fictional "hollow earth" land of Pellucidar. It first appeared as a four-part serial in All-Story Weekly from April 4-25, 1914 Excerpt: But when I saw these sleek, shiny carcasses shimmering in the sunlight as they emerged from the ocean, shaking their giant heads; when I saw the waters roll from their sinuous bodies in miniature waterfalls as they glided hither and thither, now upon the surface, now half submerged; as I saw them meet, open-mouthed, hissing and snorting, in their titanic and interminable warring I realized how futile is man’s poor, week imagination by comparison with Nature’s incredible genius.

A Sequel To At the Earth’s Core American David Innes narrates return to exotic, savage land below the Earth crust, old pal Abner Perry, female Mahar, an untamed wilderness where the sun never sets. He seeks beloved Beautiful Dian, torn away by trickery. He crosses the Pellucidar, the Land of Awful Shadow under a pendant moon, encounters prehistoric beasts & strange peoples.

Pellucidar - the hollow center of the Earth, a land of savage men and prehistoric beasts - is the scene of this exciting novel. In Pellucidar dwell the Buried People; here is the Land of Awful Sorrow; here the terrible Korsars terrorise the oceans, while dinosaurs and saber-tooth tigers terrorise the lands. This is the story of Tanar, a young chief, and the cave girl Stellara, and of their struggle for survival against a myriad dangers.

Picking up cries for help from Pellucidar, Jason Gridley of Tarzana enlists Tarzan. Gridley and Lord Greystoke travel to the exotic and strange land within the Earth to save Pellucidar Emperor David Innes, captured by Korsar pirates. The savage realm has eternal noon and bizarre monsters.

The fifth installment of Edgar Rice Burroughs’s Pellucidar series, Back to the Stone Age recounts the strange adventures of Lieutenant von Horst, a member of the original crew that sailed to Pellucidar with Jason Gridley and Tarzan who is left behind in the inner world. Von Horst wanders friendless and alone from one danger to the next among the Stone Age peoples, mighty reptiles, and huge animals that have been extinct on the outer crust for thousands of years. But woven among the tales of savage cave men in the country of the Basti, the hideous Gorbuses in the caverns beneath the Forest of Death, and the terrible Gaz is the story of the love this cultured hero feels for a barbarian slave girl who has spurned and discouraged him, working instead toward her own mysterious goal. Excerpt: The eternal noonday sun of Pellucidar looked down upon such a scene as the outer crust of earth may not have witnessed for countless ages past, such a scene as only the inner world of the earth's core may produce today.

If you have ever wondered what a civilized man of the twentieth century would do if catapulted into an Old Stone Age where huge cave bears, saber-toothed tigers, monstrous carnivorous dinosaurs, mammoths, and mastodons roamed the savage terrain, you need look no further than Land of Terror, the sixth installment of Edgar Rice Burroughs' Pellucidar series. Years ago David Innes and Abner Perry bored straight down through five hundred miles of the earth's crust and landed in Pellucidar, the savage, primeval world that lies at the center of the earth. This is the story of their continuing adventures in the timeless land of perpetual noon and their encounters with the hideous creatures and savage men who pursue them. Although they encounter enemies at every turn, David and Abner find a few loyal friends as they embark on exhilarating adventures.

When David Innes and Abner Perry set out to search for mineral deposits in Perry's newly invented Mechanical Prospectro, they never dreamed of discovering the beautiful, terrifying world of Pellucidar five hundred miles beneath their feet. Cast into a country of fierce fighting men, beautiful women, and vicious beasts, David and Abner take sharply diverging paths. David and his mate, Dian the Beautiful, set out to teach Pellucidar the ways of civilization and succeed in gathering a number of primitive kingdoms into the Empire of Pellucidar. Meanwhile, Abner turns his inventive genius to the science of aeronautics, with dire results for both David and Dian. The seventh and final book in Edgar Rice Burroughs' Pellucidar series, Savage Pellucidar continues the epic story with a masterful blend of action, humor, and suspense.

Christopher West is an associate of Dr. Kinsley, who has developed a teleportation beam that can also see events taking place 200 miles below the surface. When they see people about to sacrifice a beautiful woman, Christopher obtains a pocket knife and a red fire axe and has himself beamed down to rescue the woman. Due to his unusual weapon, West becomes known as Red Axe among the stone-age human beings of Pellucidar. The story deals with West's efforts to free his new-found friends from the tyranny of the Mahars. The region visited by West is apparently an area of Pellucidar different from that in which Burroughs set his stories, from which the Mahars were driven at the end of the second book in the series, Pellucidar. Evidently there are other locales in which the reptiles are dominant. Therefore West never runs into any of Burrough's human Pellucidarian characters, such as David Innes, Abner Perry, Dian the Beautiful, Ghak the Hairy One, or any of the others.