After crash landing on the planet Mongo, Flash, Dale, and the eminent scientist, Dr. Zarkov, fight against the evil forces of Emperor Ming, who seeks to perpetuate his rule by ruthless and savage methods.

Pulp fiction's legendary "Man of Bronze", Doc Savage, stars in one of his most engrossing adventures. In this novel we meet Doc Savage's greatest enemy, the diabolical John Sunlight. Sunlight has set out on an evil mission of revenge and has armed himself with incredible scientific inventions that he managed to steal from Doc Savage's own "Fortress of Solitude" in the arctic. Doc must race to stop Sunlight before Doc's own inventions are put to sinister use.

This is a spellbinding tale woven of equal parts epic and myth - with a liberal dash of hard science fiction. When a one-way time tunnel to Earth’s distant past, specifically six million B.C., was discovered by folks on the Galactic Milieu, every misfit for light-years around hurried to pass through it. Each sought his own brand of happiness. But none could have guessed what awaited them. Not even in a million years....

Buck Rogers is a U.S. Air Force pilot who awakes from a 500-year sleep to discover that America had been overrun by Mongol invaders and is almost in ruins. Aided by his space companion Wilma Deering and his mentor, the brilliant scientist Dr. Huer, Buck Rogers defeats the invaders and frees America. A Martian and former space pirate, Black Barney, reforms and becomes Buck and Wilma’s sidekick. They continue fighting other foes. The series contains all surviving 33 episodes that were aired in 1939-47.

It's the 23rd Century and at age 21... your life is over! Logan-6 has been trained to kill; born and bred from conception to be the best of the best. But his time is short and before his life ends he's got one final mission: Find and destroy Sanctuary, a fabled haven for those that chose to defy the system. But when Logan meets and falls in love with Jessica, he begins to question the very system he swore to protect and soon they're both running for their lives.

Ryland Grace is the sole survivor on a desperate, last-chance mission - and if he fails, humanity and the Earth itself will perish. Except that right now, he doesn't know that. He can't even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he's been asleep for a very, very long time. And he's just been awakened to find himself millions of miles from home, with nothing but two corpses for company.

Saddle up and join Wynonna Earp on an immersive new audio adventure in the gritty supernatural world of Purgatory. This Audible Original invites you deeper into the Weird West to follow Wynonna Earp (Melanie Scrofano), as she embarks on her craziest adventure yet: riding off into the sunset with her soulmate, Doc Holliday (Tim Rozon)—yes ... that Doc Holliday. Brace yourself for more wise-cracking demon hunters, earth-shattering revelations and all the genre-blending action you've come to expect from the cult hit TV series.

Inheriting your uncle's supervillain business is more complicated than you might think. Particularly when you discover who's running the place. Charlie's life is going nowhere fast. A divorced substitute teacher living with his cat in a house his siblings want to sell, all he wants is to open a pub downtown, if only the bank will approve his loan. Then his long-lost uncle Jake dies and leaves his supervillain business (complete with island volcano lair) to Charlie. But becoming a supervillain isn't all giant laser death rays and lava pits.

Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he’s alive - and even if he could get word out, his supplies would be gone long before a rescue could arrive. But Mark isn't ready to give up yet.

Ashley Perrin is fresh out of college and starting a job as a community liaison for the Third District–the city’s only sector with more alien residents than humans. Ashley’s barely found where the paper clips are kept when she’s beset with constituent complaints–from too much noise at the Annual Lupidian Celebration Parade to a trip-and-fall chicken to a very particular type of alien hornet that threatens the very city itself. And if that’s not terrifying enough, Ashley is next up at the office karaoke night.