At the Earth's Core by Edgar Rice Burroughs is a fantasy novel, the first in his series about the fictional "hollow earth" land of Pellucidar.

When Carson Napier's giant rocket crash-lands on the planet Venus, he knows that there will be no return to Earth for him. His only option: find a way to survive until other Earth rockets can reach him—if they can! Beneath the eternal clouds, contrary to everything science predicted, Carson finds a race of strange people inhabiting trees that make the giant redwoods of California look like mere saplings.

In this, the second book of Burroughs' Amtor series, Napier travels over perilous mountains and through forests, inhabited by creatures more terrifying than any nightmare, in search of the lovely princess Duare, who has been snatched from his arms. In the Room of the Seven Doors, Napier faces the choice of his life. Six doors led to terrible deaths—the seventh is the door to life. But for him, this door too leads only to new dangers on a planet whose beasts and men are more frightful than any that stalk his native Earth.

As the steel-clawed Leopard Men look for victims for their savage rites, the secret cult strikes terror into the hearts of all the villagers. Only Orando of the Utengi dares to declare war on them. And with Orando goes Tarzan of the Apes—but a strangely changed Tarzan, who now believes that he is Muzimo, a spirit or demon who was Orando’s ancestor. But there are traitors among Orando’s people. And in the village of the Leopard Men is Kali Bwana, a young American woman who has come to Africa to find a missing man. Only Tarzan can save her...

"A Princess of Mars" (1912) is a science fantasy novel by Edgar Rice Burroughs, the first of his Barsoom series. Full of swordplay and daring feats, the novel is considered a classic example of 20th century pulp fiction. It is also a seminal instance of the planetary romance, a sub-genre of science fantasy that became highly popular in the decades following its publication. Its early chapters also contain elements of the Western. The story is set on Mars, imagined as a dying planet with a harsh desert environment.

A great safari comes to Africa to make a movie, struggling across the veldt and through the jungle in great ten-ton trucks, equipped with all the advantages of civilization. But now it is halted, almost destroyed by the poisoned arrows of the savage Bansuto tribe. There is no way to return. Ahead lies the strange valley of diamonds, where hairy gorillas live in their town of London on the Thames, ruled by King Henry the Eighth. And behind them comes Tarzan of the Apes with the Golden Lion, seeking the man who might have been his twin brother in looks—though hardly in courage!

Barsoom Series Collection: 7 John Carter Stories is an audiobook collection of seven novels/stories of John Carter by Edgar Rice Burroughs. It will transport you to a fascinating new world unlike any other. Join John Carter as he finds himself on another planet beyond his deepest imagination - Mars, with almost a complete lack of resources.

In the wild, unexplored coastal jungles of West Africa lives a wild human boy named Tarzan, the adopted son of a tribe of fierce almost-human anthropoid apes - but in reality, the unknown heir of a wealthy and titled English noble family. Then one day, a small party of American treasure-seekers is marooned on Tarzan's beach, including a lovely Baltimore belle named Jane Porter.

Back in Boston, Massachusetts, U.S.A., he was a blueblood named Waldo Smith-Jones. But when he found himself in a desperate effort to survive on a lost island of primitive men and beasts, he won not only a new name but also the hand of the cave princess, Nadara.

Bowen Tyler, his reluctant crew and a blonde heroine, find themselves marooned in a nightmare world of mighty dinosaurs and bestial apemen who kill on sight. This is the lost continent of Caspak, a hot, dark and mysterious prehistoric world located somewhere in the icy waters of the Antarctic. Their only hope of rescue is a note in a bottle flung into the sea. The survivors persist and penetrate the heart of Caspak to find the incredible secret that claws, fangs and spears have guarded since the beginning of time.

Edgar Rice Burroughs tells us the story of the lost English prince, Richard, whom fate turns into an outlaw preying on the nobility of England. With tons of adventure, cross, and double cross, this tale will keep you engrossed from beginning to end.

The burning wreck of a passenger jet with a missing cargo of gold and a desperate plea from a friend lead Tarzan of the Apes deep into intrigue in the jungles of Brazil. Soon the ape-man finds himself facing his most deadly nemesis yet: a criminal mastermind named Vinaro, whose enemies perish in mysterious explosions of gold and flame. But that may be only the beginning of Tarzan's challenges. For if he is to defeat Vinaro, Tarzan must confront him in the legendary golden city of Tucumai, from where no outsider has ever returned.

There’s only one way for Professor George Edward Challenger to prove that dinosaurs still roam the earth. He invites skeptical journalist Edward Malone to accompany him and a group of adventurers to see the creatures with his own eyes. But when they arrive at the fantastic volcanic plateau in the Amazon where time stands still, their expedition quickly becomes one of survival. With its cliff-hanging escapes, rousing humor, and nailbiting suspense, The Lost World is a pioneering work of fantasy-adventure that paved the way for every thrill ride to follow.

There are some odd things about Nate’s new apartment. Of course, he has other things on his mind. He hates his job. He has no money in the bank. No girlfriend. No plans for the future. So while his new home isn’t perfect, it’s livable. The rent is low, the property managers are friendly, and the odd little mysteries don’t nag at him too much. At least, not until he meets Mandy, his neighbor across the hall, and notices something unusual about her apartment. And Xela’s apartment. And Tim’s. And Veek’s.

Joe Colsco boarded a flight from San Francisco to Chicago to attend a national chemistry meeting. He would never set foot on Earth again. On planet Anyar, Joe is found unconscious on a beach of a large island inhabited by humans where the level of technology is similar to Earth circa 1700. He awakes amid strangers speaking an unintelligible language and struggles to accept losing his previous life and finding a place in a society with different customs, needing a way to support himself and not knowing a single soul.