David Innes is a young man who has just inherited a large mining company. An eccentric inventor, Abner Perry, convinces Innes to underwrite a project to build an 'iron mole,' claiming it will make them both wealthy. The mechanical beast works well, actually too well. On the maiden voyage, instead of digging for a few minutes and returning, they plunge straight through the earth's crust into the 'inner world' of Pellucidar.

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.

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.

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 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.

The master of adventure, Edgar Rice Burroughs, tackles the Frankenstein myth. A demented scientist discovers how to create human life - not perfect but improving steadily with each attempt. He is forced to flee to remote Borneo to continue his gruesome experiments; each experiment becomes one of the Monster Men. Add a beautiful young daughter, a scheming criminal as assistant, head hunters, and wild jungle terrain, and you have The Monster Men!

In 1940, as the world hurtled into the darkness of global conflict, Edgar Rice Burroughs turned his legendary writing talents toward an interstellar tale of wonder and adventure set on a war-racked planet - one whose star was so distant that it was invisible to the Earth's most powerful telescopes.

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.

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.

The story begins with an investigation into some strange reports of an "opera ghost", legendary for making the great Paris opera performers ill-at-ease when they sit alone in their dressing rooms. Some allege to have seen the ghost in evening clothes moving about in the shadows. Nothing is done, however, until the disappearance of Christine during her triumphant performance.

Allan Quatermain, hero of King Solomon's mines, tells a moving tale of his first wife, the Dutch-born Marie Marais, and the adventures that were linked to her beautiful, tragic history. This moving story depicts the tumultuous political era of the 1830s, involving the Boers, French colonists and the Zulu tribe in the Cape colony of South Africa. Hate and suspicion run high between the home government and the Dutch subjects.

This collection comprises H. P. Lovecraft’s definitive works, including the complete Cthulhu Mythos and Dream Cycle stories.

This Lovecraft classic is a must-have for every fan of classic terror. When a geologist leads an expedition to the Antarctic plateau, his aim is to find rock and plant specimens from deep within the continent. The barren landscape offers no evidence of any life form - until they stumble upon the ruins of a lost civilization. Strange fossils of creatures unknown to man lead the team deeper, where they find carved stones dating back millions of years. But it is their discovery of the terrifying city of the Old Ones that leads them to an encounter with an untold menace.

With Conan the Cimmerian, Robert E. Howard created more than the greatest action hero of the twentieth century---he also launched a genre that came to be known as sword and sorcery. But Conan was not the first archetypal adventurer to spring from Howard's fertile imagination.

One small handwritten letter, sent from a dark, remote corner of the planet and lost in the system for 60 years, is about to change the entire human race. Outside Denver, Colorado, Joe Rickards stands over a small aircraft wreckage, studying burnt remains still smoldering in a field of freshly fallen snow. He's an investigator for the NTSB, working to carefully roll back the last several hours and identify the cause of the accident. But this time, he can't.