In the not-too-distant future, while fleets of commercial space ships travel between the planets of numerous solar systems, a traveler named Virgil Samms visits the planet Arisia. There, he becomes the first wearer of the Lens, the almost-living symbol of the forces of law and order. As the first Lensman, Samms helps to form the Galactic Patrol, a battalion of Lensmen who are larger-than-life heroes. These soldiers are the best of the best, with incredible skill, stealth, and drive.

There is a dark power in the galaxy working against the rise of civilisation, and the First Lensman is leading the way in the fight against chaos. By founding the Galactic Patrol, the Lensmen seek to unite the civilised beings of the galaxy and weld a star fleet of such stupendous power that the forces of darkness and chaos will be defeated.

Brilliant government scientist Richard Seaton discovers a remarkable faster-than-light fuel that will power his interstellar spaceship, The Skylark. His ruthless rival, Marc DuQuesne, and the sinister World Steel Corporation will do anything to get their hands on the fuel. They kidnap Seaton's fiancée and friends, unleashing a furious pursuit and igniting a burning desire for revenge that will propel The Skylark across the galaxy and back.

Robert A. Heinlein wrote The Number of the Beast, which was published in 1980. In the book Zeb, Deety, Hilda, and Jake are ambushed by the alien "Black Hats" and barely escape with their lives on a specially configured vehicle (the Gay Deceiver) which can travel along various planes of existence, allowing them to visit parallel universes. However, unknown to most fans, Heinlein had already written a "parallel" novel about the four characters and parallel universes in 1977. 

The Inter-Planetary Corporation has sent the space ship Arcturus on a routine fact-finding mission, only to have it ambushed by a strange alien craft, leaving physicist Steve Stevens and Nadia Newton first stranded on Ganymede, and then caught up in the Vorkul-Hexan war. A space adventure of staggering proportions by science fiction master writer E. E. “Doc” Smith.

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.

. C. “Scar” Gordon was on the French Riviera recovering from a tour of combat in Southeast Asia, but he hadn’t given up his habit of scanning the personals in the newspaper. One ad in particular leapt out at him: "Are you a coward? This is not for you. We badly need a brave man. He must be 23 to 25 years old, in perfect health, at least six feet tall, weigh about 190 pounds, fluent English with some French, proficient with all weapons, some knowledge of engineering and mathematics essential...."

Max Jones, a practical, hard-working young man, found his escape in his beloved astronomy books. When reality comes crashing in and his troubled home life forces him out on the road, Max finds himself adrift in a downtrodden land - until an unexpected, ultimate adventure carries him away as a stowaway aboard an intergalactic spaceship.

Ten thousand years ago, a single alien super-ship survived a desperate battle. The vessel's dying crew set the AI on automatic to defend the smashed rubble of their planet. Legend has it the faithful ship continues to patrol the empty battlefield, obeying its last order throughout the lonely centuries.In the here and now, Earth needs a miracle. Out of the Beyond invade the New Men, stronger, faster and smarter than the old. Their superior warships and advanced technology destroy every fleet sent to stop them.

In this definitive novel, listeners will follow Thrawn's rise to power - uncovering the events that created one of the most iconic villains in Star Wars history.

For 12,000 years the Galactic Empire has ruled supreme. Now it is dying. But only Hari Seldon, creator of the revolutionary science of psychohistory, can see into the future - to a dark age of ignorance, barbarism, and warfare that will last thirty thousand years. To preserve knowledge and save humankind, Seldon gathers the best minds in the Empire - both scientists and scholars - and brings them to a bleak planet at the edge of the galaxy to serve as a beacon of hope for future generations. He calls his sanctuary the Foundation.

At first, only a few things are known about the celestial object that astronomers dub Rama. It is huge, weighing more than ten trillion tons. And it is hurtling through the solar system at inconceivable speed. Then a space probe confirms the unthinkable: Rama is no natural object. It is, incredibly, an interstellar spacecraft. Space explorers and planet-bound scientists alike prepare for mankind's first encounter with alien intelligence.

Frederik Pohl was on a streak when this Hugo Award-finalist novel was published in 1980. Now back in print after an absence of nearly a decade, this unique science fiction novel is as fresh and entertaining as ever. The story begins when the hero of Gateway finances an expedition to a distant alien spaceship that may end famine forever. On the ship, the explorers find a human boy, and evidence that reveals a powerful alien civilization is thriving on a transport ship headed right for Earth....

After the fall of the American Ayatollahs as foretold in Stranger in a Strange Land and chronicled in Revolt in 2100, the United States of America at last fulfills the promise inherent in its first Revolution: for the first time in human history there is a nation with Liberty and Justice for All. No one may seize or harm the person or property of another, or invade his privacy, or force him to do his bidding. Americans are fiercely proud of their re-won liberties and the blood it cost them; nothing could make them forswear those truths they hold self-evident. Nothing except the promise of immortality…

They first appear as a series of dots on astronomical plates, heading from Saturn directly toward Earth. Since the ringed planet carries no life, scientists deduce the mysterious ship to be a visitor from another star. The world's frantic efforts to signal the aliens go unanswered. The first contact is hostile: the invaders blast a Soviet space station, seize the survivors, and then destroy every dam and installation on Earth with a hail of asteriods.