A team of special force ops, led by hunter turned soldier Sergeant Joel “Bwana” Sutton, and CIA Special Agent Ray Kreipe, on a rescue mission along the Cambodia Border at the height of the Vietnam War, encounter an unknown species of ape unlike anything known to science. The discovery quickly turns the rescue mission into a desperate battle of survival of which not all will survive.

Following the tragic death of his mother and young bride within hours of each other, Theodore Roosevelt travels to the Dakota Badlands to put the loss behind him and to reinvent himself as a cowboy and adventurer. But T.R.’s foray into the wild comes on the heels of several brutal attacks by an unknown species, forcing the future president to become something he hadn’t planned on: A Sasquatch hunter.

Alex Hunter - in the mission that turned him from a normal man into the weapon known as the Arcadian - and the elite team of soldiers known as the Hotzone All-Forces Warfare Commandos must enter a hostile country to rescue a defected Chechen researcher from the centre of a country at war. But the HAWCs are not the only ones looking for the rogue scientist and the mysterious package he carries with him. A brutal and relentless killer and his death squad are on the trail, too - and they bring a savagery with them that Hunter and his team have never witnessed before in modern warfare.

Deputy Thomas Rodney is no stranger to tense situations. Having served multiple tours in the worst of environments, facing death had practically become just another day at the office. But nothing could have prepared him for this. In a woodland county in the Pacific Northwest, a sinister presence has awakened. A roadwork crew has disappeared without a trace; a truck is found run off the road; a lakefront property is mysteriously vacant, its roof damaged as though something large descended from high above; and an eerie quiet has overtaken the countryside.

Fresh out of the academy with top marks, Agent Bradley Tennyson is expecting to have the pick of cases and investigations throughout the country. So he's shocked when instead he is assigned as the new partner to "The Crag", an agent well past his prime. He thinks the assignment is a punishment. It's anything but.

Down there, beyond the deepest caves, below the crust and the mantle, there is another world. An old woman locked away in a Russian asylum has a secret - knowledge of a 500-year-old manuscript written by a long-dead alchemist that will show a passage to the mythical centre of the Earth. She knows it’s real because 50 years ago, she and a team travelled there. And only she made it back. Today, caving specialist Mike Monroe leads a crew into the world’s deepest cave in the former Soviet Union.

In Fathomless, the greatest predator the world has ever known is coming home in 2016. Carcharodon megalodon. The largest and most fearsome predator to have ever existed on our planet. Rumours of its existence in our modern oceans have persisted for centuries. Now, in a new adventure, the rumours explode into brutal and terrifying reality in Fathomless, by Greig Beck.

On a desolate beach in far northern Scotland, the winter storms have been washing up all manner of things since time began. But buried in the centre of one smaller iceberg is a shard of ancient Viking pottery telling a partial tale of a hidden mysterious island beyond the ice and mist, that was home to a great treasure and even greater horrors. Thawing in the same block of ice was a rotting flap of skin that refused to be identified but had similar skin patterns to a creature not seen for 100 million years.

Under 30,000 feet of water, the experimental exploration rig Leaguer has discovered an oil field larger than Saudi Arabia, with oil so sweet and pure, nations would go to war for the rights to it. But as the team starts drilling exploration well after exploration well in their race to claim the sweet crude, a deep rumbling beneath the ocean floor shakes them all to their core. Something has been living in the oil and it's about to give birth to the greatest threat humanity has ever seen.

When a series of devastating terror attacks brought down the United States, Conor and Barb assumed they were safe in their compound. They had everything they needed. They were armed and highly trained. But then, Barb was kidnapped. The kidnappers didn’t know why Conor was known as The Mad Mick. They didn’t know the fear and respect his name invoked in the shadowy underworld of covert operations. They didn’t know that when it came to protecting his family, he was without conscience, without compassion, and without equal. But they would soon find out.

When a fame-hungry scientist brings an impossible, living specimen of a creature long thought extinct back from the wild jungles of South America he unwittingly brings along a passenger. Something with the potential to destroy every living thing on our planet. The infestation begins, rapidly overtaking medical resources and resisting all treatment.

John Eric Carver and Shrek are a retired Navy SEAL war dog team, now living in the mountains outside of San Diego. Both man and dog thought their life was now settled, finding peace on the 40-acre ranch they had moved to. But life, and a mutated virus, changed all that.

A treasure hunt into the deepest cave system in Europe takes a turn for the worst. Now, rather than treasure, it is survival that is at the forefront of the spelunkers' thoughts. But their attempt to escape out of the dark deep places is thwarted. Men are not at home in the depths. But there are things that are... pale terrifying things. Huge things. Things red in tooth and claw.

When ex-boxer turned strip club bouncer Reggie Levine is recruited to retrieve a Chinese crested terrier from a fleapit roadside zoo, where the ugly mutt has been mistaken for the Chupacabra, our hapless hero soon finds himself embroiled in a deadly criminal conspiracy.

Jedidiah Huckleberry Smith spent his entire life searching for the raider who mutilated him as a child. Finally, giving up on a trail long grown cold, he leaves his outlaw past behind and starts over in a remote town in Wyoming. Now, teaming up with a beautiful but naïve paleontologist, they stand between his adopted town and its destruction by an army of barbaric prehistoric apes and dinosaurs. But Jed’s past has come back to haunt him. The man he searched for is discovered in a position of power, and Jed must choose...

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.