Mark Nelson

David Innes is a mining heir who finances the experimental "iron mole," an excavating vehicle designed by his elderly inventor friend Abner Perry. In a test run, they discover the vehicle cannot be turned, and it burrows 500 miles into the Earth's...

Listen to Bat Wing with a movie-style soundtrack and amplify your audiobook experience.Private detective Paul Harley investigates a mysterious case involving voodoo, vampirism, and macabre murder in the heart of London. The first book in the Paul...

Gertrude Barrows Bennett was the first major female writer of fantasy and science fiction in the United States, publishing her stories under the pseudonym Francis Stevens. Bennett wrote a number of highly acclaimed fantasies between 1917 and 1923 and...

Listen to Citadel Of Fear with a movie-style soundtrack and amplify your audiobook experience.Citadel of Fear is considered Francis Stevens' masterpiece, by Lovecraft's acclaim. Two adventurers discover a lost city in the Mexican jungle. One is taken...

A classic science fiction adventure in the style of and dedicated to the readers of Jules Verne. An independent scientist discovers the secret of “inter-atomic energy”, and with it builds a craft which carries himself and three friends to Venus, where...

Immerse yourself in the heart-pounding world of "Deadly City" by Ivar Jorgensen, an electrifying digital audiobook that will have you on the edge of your seat from start to finish. This gripping story takes you on a thrilling journey through the...

The Secret Planet.No human had ever landed on the hidden planet of Arisia. A mysterious space barrier turned back both men and ships. Then the word came to Earth, "Go to Arisia!", Virgil Samms of the Galactic Patrol went--and came back with the Lens,...

James Bolivar diGriz alias Slippery Jim alias The Stainless Steel Rat. Interstellar con man, crook and thief. Bane of the elite law enforcement squad, the Special Corps. And while pulling-off a successful bank job, why not also save the galaxy? Just...

Time is the strangest of all mysteries. Relatively unimportant events, almost unnoticed as they occur, may, in hundreds of years, result in Ultimate Catastrophe. On Time Track Number One, that was the immutable result. But on Time Track Number Two...

Join Space Medical Service officer Calhoun and his sidekick Murgatroyd the tormal on another exciting adventure, this time on what should be a routine visit to the planet Maya, which upon arrival appears to be completely devoid of all life! - Summary...

The Sun has gone out and the Earth is lit only by the glow of residual vulcanism. The last few millions of the human race are gathered together in a gigantic metal pyramid, nearly eight miles high – the Last Redoubt, under siege from unknown forces...

David Innes and his captive, a member of the reptilian Mahar master race of the interior world of Pellucidar, return from the surface world in the Iron Mole invented by his friend and companion in adventure Abner Perry.Emerging in Pellucidar at an...

A disastrous experiment destroys the moon and kills millions on earth. The invention of artificial flesh lets them return to life as androids, a second and perhaps superior human species. Mounting tensions between the naturals and the “phonies” erupts...

Foster, Lieutenant, R. I. P., blared the voice horn, and five minutes later Rip Foster was off into space on an assignment more exciting than any he had ever imagined. He could hardly believe his ears. Could a green young Planeteer, just through his...

Ethan Hopkins and Mickey McSquizzle-a "Yankee" and an "Irishman"-encounter a colossal, steam-powered man in the American prairies. This steam-man was constructed by Johnny Brainerd, a teenaged boy, who uses the steam-man to carry him in a carriage on...

Unearth the Madness: Experience Lovecraft's "The Dunwich Horror" in Gripping Digital Audio!Enter the enigmatic town of Dunwich as ancient secrets resurface, and malevolent forces awaken. Immerse yourself in a heart-pounding auditory journey, where a...

In a rundown farmhouse near isolated, rural Dunwich, a bizarre family conjures and nurtures an evil entity from another realm, with the purpose of destroying the world and delivering it to ancient gods to rule, and only an aged university librarian...

They were four of the greatest minds in the Universe: Two men, two women, lost in an experimental spaceship billions of parsecs from home. And as they mentally charted the Cosmos to find their way back to earth, their own loves and hates were as...

There was no life on the asteroid, but the miles of rock-hewn corridors through which the earth party wandered left no doubt about the purpose of the asteroid. It was a mighty fortress, stocked with weapons of destruction beyond man's power to...

There were nine major planets in the Solar System and it was within their boundaries that man first set up interplanetary commerce and began trading with the ancient Martian civilization. And then they discovered a tenth planet--a maverick! This tenth...

GOD, MACHINE--OR LISTENING POST FOR OUTSIDERS?Horng sat opposite the tiny, fragile creature who held a microphone, its wires attached to an interpreting machine. He blinked his huge eyes slowly, his stiff mouth fumblingly forming words of a language...

After the horrendous battle at the end of the previous book, which ended with the destruction of the religion of Issus, John Carter's wife and two other women were locked in a slowly rotating prison attached to the Temple of the Sun, each of whose...